A separation agreement is a legally binding contract between two people who are ending their relationship. It settles the major questions, property, debt, support, and parenting, without going to court. When it's signed and reviewed by lawyers, it has the same practical effect as a court order for most purposes.

Most people don't know this is an option. They assume divorce means litigation. It doesn't. The majority of separating couples in North America resolve their affairs through negotiation, not trial. A separation agreement is the document that captures that resolution.

What goes into a separation agreement?

A complete separation agreement covers several areas. Property division addresses how assets accumulated during the relationship are split: the matrimonial home, savings accounts, investments, retirement funds, vehicles, and personal property. Debt division clarifies who is responsible for mortgages, credit cards, lines of credit, and any joint obligations.

If there are children, the agreement covers parenting arrangements, who has the children when, and how decisions get made, and child support, the monthly payment calculated from guideline formulas. If one spouse was economically dependent on the other, spousal support may also be addressed.

Does a separation agreement hold up in court?

Yes, if it's properly executed. For a separation agreement to be enforceable, both parties must have received independent legal advice before signing, both must have fully disclosed their financial circumstances, and neither party can have signed under duress or without understanding what they agreed to.

This is why FairWell always recommends that both parties have a lawyer review the agreement before signing. Not to negotiate it to pieces, just to confirm that each person understands what they're agreeing to and that the agreement meets their jurisdiction's requirements.

How long does it take?

That depends almost entirely on how aligned you and your co-parent are. Couples who communicate well and have straightforward finances can have a signed agreement within a few weeks. Couples with complex assets, businesses, or significant disagreements often take months. Contested litigation can take years.

FairWell's approach is to get the structural work done upfront: financial disclosure, clear priorities, and a working draft. That cuts the time you spend in a lawyer's office significantly.

What it costs

A contested divorce through lawyers averages $40,000 per spouse in North America. An uncontested divorce, where both parties agree on all terms, can be completed for a fraction of that. FairWell's separation agreement builder costs $499. Add two lawyer review consultations, typically $300 to $600 total, and you're still well under $1,000 for a legally enforceable agreement.

Child support is not negotiated freely between parents. Every US state and Canadian province has a guideline formula that determines the base amount. Judges almost always follow it. The question isn't whether you'll pay the guideline amount, it's whether you understand what that amount is and how to handle the variables around it.

How the formula works in Canada

Canada's Federal Child Support Guidelines set the base amount based on the paying parent's gross income and the number of children. The tables are specific to each province because provincial tax rates affect take-home pay, which affects the guideline figure. You look up income on the relevant table and the monthly amount is listed. It's not complicated once you have the right table.

If both parents have roughly equal parenting time, typically defined as 40% or more of overnights with each parent, the calculation changes. Each parent's obligation is calculated separately based on income, and only the difference is paid. This is called the set-off method.

How the formula works in the US

The US is more varied. Most states use one of two models: the income shares model, which combines both parents' incomes and allocates support proportionally, or the percentage of income model, which applies a fixed percentage to the paying parent's income. A handful of states, Texas being the most notable, have flat percentages based on net income: 20% for one child, 25% for two, 30% for three.

What affects the final number?

Several factors can adjust the guideline amount. Special expenses (called Section 7 expenses in Canada, or extraordinary expenses in the US) are added on top. If a child has documented special needs, or if the paying parent earns over the guideline maximum, adjustments may apply. And parenting time matters: more time with the paying parent typically reduces their obligation, since they're absorbing more direct costs.

Can parents agree to a different amount?

Generally, no. Courts will not typically approve a child support agreement that pays less than the guideline amount, because child support belongs to the child, not the parents. What parents can agree on is how to handle additional expenses, how those are split and documented.

A parenting plan is one of the most important documents you'll ever create. It governs day-to-day life for your children for years. The plans that work are specific. The ones that don't are vague, and vague plans create disputes.

The basic structure

A working parenting plan covers four areas: the regular schedule, holiday and special occasion allocations, how decisions get made for the children, and how you handle conflicts when they arise.

The regular schedule is the foundation. It should define exactly which days the children are with each parent, with no ambiguity. "Every other weekend" is not enough. Write it as: "Children are with Parent A Sunday to Thursday, with Parent B Thursday to Sunday on alternating weeks." Specificity is protection for both of you.

Common schedules and when they work

The 2-2-3 rotation gives children consistent time with both parents without long stretches away from either. It works best when parents live close together and children are young enough that the frequent transitions aren't disruptive. Week-on/week-off is simpler and suits older children and working parents who need predictability. Primary residence with regular visits is most appropriate when one parent has significantly more flexibility, when children are very young, or when the relationship between parents is not functional enough for frequent handoffs.

Holidays and special occasions

This is where most parenting plan disputes happen. Be exhaustive. Define who has the children on each statutory holiday, each parent's birthday, each child's birthday, school breaks, spring break, summer, Thanksgiving, and any cultural or religious occasions that matter to your family. Establish a clear rule for when holiday schedules override the regular schedule.

Decision-making

Joint decision-making means both parents must agree on major decisions: school enrollment, medical treatment, religious upbringing, extracurricular activities. Most plans default to joint decision-making with a tiebreaker process if parents can't agree. Sole decision-making is appropriate only in specific circumstances and should not be agreed to lightly by either party.

The conflict resolution clause

Every parenting plan should specify what happens when parents disagree. Typically: discuss directly, then attempt mediation, then go to court only if mediation fails. Having this in writing prevents minor disputes from escalating straight to legal proceedings.

Spousal support exists because relationships create economic interdependencies. When one partner earns significantly more, or when one partner stepped back from their career to raise children, the lower-earning partner often can't immediately sustain themselves after separation at the same standard of living. Spousal support is the mechanism for addressing that gap.

It is not automatic. And unlike child support, it is genuinely negotiable within a range.

Who qualifies?

Entitlement to spousal support is based on economic disadvantage from the relationship, not simply on earning less. A short-term relationship between two professionals with similar incomes generally won't give rise to support obligations. A 15-year marriage where one partner left a career to raise children usually will. The length of the relationship, the economic disparity, and the roles each party played are the core factors.

How much?

In Canada, the Spousal Support Advisory Guidelines (SSAG) produce a monthly range based on both incomes and length of the relationship. The formula produces a low, mid, and high figure. Courts use the SSAG as a strong reference point, though they're not mandatory. In the US, each state has its own approach: some use statutory factors, others have adopted their own guideline formulas, and a few have strict eligibility thresholds before any support is owed at all.

For how long?

Duration follows the length of the relationship. Short relationships (under 5 years) typically produce short-term support. Mid-length relationships (5 to 20 years) produce support for roughly half to equal the length of the relationship. Long relationships (20+ years) can produce indefinite support, particularly if one party is near retirement or unlikely to re-enter the workforce at a comparable income level.

Can it be waived?

Yes. Both parties can agree to waive spousal support in a separation agreement. Courts will generally honor that waiver if both parties had independent legal advice and fully understood what they were giving up. A court may set it aside if the circumstances change dramatically and enforcement of the waiver becomes unconscionable.

Yes. Millions of couples in North America complete their separation without ever going to court. The question isn't whether it's legally possible, it clearly is. The question is whether it's right for your situation.

When it works

Self-represented separation works when both parties are genuinely willing to negotiate, when financial disclosure is straightforward and honest, when there are no significant power imbalances, and when the major issues, property, support, parenting, are either small or already broadly agreed on. If you tick most of these boxes, you don't need full litigation. You need the right tools and a lawyer for document review, not for representing you in a fight.

When you need legal help

Some situations require a lawyer in a more active role. If your spouse has a lawyer and you don't, you are at a structural disadvantage and should at minimum get independent legal advice before signing anything. If there are allegations of abuse, hidden assets, or significant business interests, you need qualified representation. High-conflict parenting situations often require professional help, not just documentation.

What "DIY" actually means in practice

A realistic uncontested separation looks like this: both parties use a tool like FairWell to document their finances, build a draft agreement, and get their parenting arrangement on paper. Each person then pays a lawyer for one to two hours of independent legal advice. Both sign. Total cost: typically $500 to $1,500 compared to $40,000 average for contested proceedings.

The independent legal advice requirement

Even in a fully amicable separation, both parties should get independent legal advice before signing a separation agreement. This isn't a formality. It's what makes the agreement enforceable and protects both of you from a future challenge. FairWell's ILA Prep Package prepares you for that meeting so it takes 45 minutes instead of three hours.

The family home is usually the largest asset and the most emotionally loaded decision in any separation. Most couples have three realistic options: sell and split the proceeds, have one partner buy out the other, or keep the arrangement temporarily for the children's stability. Each has real financial and practical consequences.

Option 1: Sell and split

The cleanest solution financially. Both parties walk away with their share of the net equity, after mortgage, realtor fees, and any applicable tax. The split isn't always 50/50: one party may have contributed more to the down payment, or the rules in your province or state may treat the matrimonial home differently than other assets. In Ontario, for example, the matrimonial home is subject to equal division regardless of who brought it into the relationship. In most US community property states, the same logic applies to equity accumulated during the marriage.

Option 2: One partner buys out the other

This keeps the children in a stable home and avoids a market sale, but it requires the buying partner to qualify for a new mortgage in their name alone, often on a reduced post-separation income. The buyout amount is typically half the net equity, though it can be adjusted by agreement. A formal appraisal is recommended. Both parties should understand that an informal agreement on value that later proves inaccurate can become a significant source of conflict.

Option 3: Deferred sale

Some couples agree to keep the home temporarily, often until a child finishes school. This can make sense when the housing market is poor or when keeping the children in place is the clear priority. It requires explicit documentation: who pays the mortgage, who handles maintenance, how the eventual sale proceeds are split, and what happens if one party wants to sell before the agreed date. A deferred sale agreement without this detail is an argument waiting to happen.

Retirement accounts and pensions

The house gets the attention, but retirement savings are often equally significant. In Canada, the Canada Pension Plan credits accumulated during a marriage can be equalized. In the US, retirement accounts are typically divided using a Qualified Domestic Relations Order (QDRO), a court-approved document that allows one spouse's share to be transferred to the other without tax penalties. This requires its own documentation process and is often overlooked in informal settlements.

The financial disclosure requirement

You can't divide assets fairly without full financial disclosure. Both parties need to provide statements for all accounts, pension values, business interests, and debts as of the separation date. Hiding assets or undervaluing them is grounds for setting aside a separation agreement later. FairWell's financial disclosure checklist covers everything you'll need to gather before any negotiation starts.