That’s normal. The idea is you buy the house with a mortgage to then lease (let) out to tenants. The tenants then pay you rent equal to the mortgage plus a bit extra on top, which you use to pay the mortgage and make a profit.

Mineral oil supposedly. Do your own research since it’s your kid, but it’s considered food safe here. Food grade mineral oil is used on knives and cutting boards regularly.

But those people's votes each matter the same without the electoral college?