Varies a lot. I return, regift, take to the consignment shop, take to thrift store, sell on CL, Holiday Helper, regift, or ebay. I am pretty ruthless about kid's toys- batteries never get replaced, etc.
Playmobil and legos are wonderful for opened play and creative storytelling. I know that they are plastic but I don't think they are incompatible with Waldorf philosophy. Maybe just the dominant aesthetic.
We don't allow licensed or annoying battery operated one hit wonders.
Let you know that you value her company and your daughter enjoys eating with her. But then I'd explain the situation to here and give her some options, i.e. be respectful of your table (no complaining) and trying everything and modeling good behavior or go home and eat.
I might also do veggie snack after she departs.
You should aim for every 3 hours early on, so yes, you'll want that morning pump too. At the very least because you'll make more milk then. 10-15 minutes to pump; 2 for set up.
Your life will be better if you buy a few extra complete sets of parts. That way you don't have to worry about washing up every night.
Pump parts just get refrigerated in between sessions. They don't need to be washed.
Decide what is really important to you. For me, formula was really unacceptable and I hated that I had to work at all. So I was really careful about stash building with all three kids and I pumped longer at work. I double pumped twice a day for my first. Way too much milk and much was donated. I pumped less with my second and had to pump 4 times a day at work to meet daily demand. My stash is insurance rather than for use, at least I think of it that way. I pumped twice a...