I put all of my cheques from parents into a company account, then take out a portion as a paycheque for myself. 30% is left in the account (20% as a buffer for taxes and 10% for daycare supplies). That way when I go to buy more glue, toys, stroller, etc I'm spending daycare money not my money. I use this for everything from gifts for the kids to craft materials, to new toys or equipment.

As for Pack n plays, I got all of mine for about $20 each on kijiji.