Exactly.

We have limited spaces. A sibling doesn't get less love, less craft supplies or less food.

Why would I cut my income level to make someone else's expenses more affordable? When a client can go to a gas stations and fill two cars and get a discount, then I'll consider reviewing it. Until they, all clients pay full rates.

And yes, staying FT on mat leave doesn't assure them of a second place. All it gives them in my day home is priority over any second place that comes up during their mat leave - if it does. I don't hold the place without payment though. If a place comes up 6 months before they need it, then they pay for it or risk losing it.