One person should own the payment method. Everyone else joins as a member, not as a second payer.
Write the owner’s name in the subscription row so the household knows who can cancel. A shared login with no owner becomes a charge nobody monitors.
Check the plan’s member limit before adding a seat. Extra seats are a new monthly price, not a free invite.
If someone leaves the household, remove the seat the same day. Waiting until renewal keeps the higher price for another month.
Back to all guides