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July 01, 2026

How to Split Elder Care Costs Between Siblings

The conversation nobody wants to have. The math everybody needs.

Average annual cost of elder care ranges from $5,000 to $100,000+ depending on level. For most families, the conversation about who pays what happens too late, too heated, or not at all.

Three Models

Equal division. Simplest. Everyone pays the same. Works when siblings have similar financial situations. Income-proportional. Fairest. Each contributes a percentage based on income. Requires transparency. Role-based. One sibling contributes time (local, handles appointments). Others contribute money. Recognize that time has monetary value.

The coley Math

Family plan: $29.99/month. Split four ways: $7.50 each. Less than two coffees per sibling per month for daily check-ins, conversation, safety features, and a dashboard every sibling can access independently.

$29.99/month split four ways.
$7.50 per sibling. Less than two coffees.

The Rules

Monthly reconciliation. No unilateral spending decisions above an agreed threshold. Shared spreadsheet everyone can access. Have this conversation before you need it, not during a crisis.

coley — Good Company When You Want It
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