Kitchens remodels can range from $100sf on partial remodel to $350sf for a full remodel. There are many options depending on the individuals needs.
Bathrooms are much like kitchens in that they can be designed to a persons budget. Can you keep any components of your existing bathroom? Does it need to a full gut? Do you want a 1 day bath?
There are several factors when it comes to pricing painting. On average, it will be about $3sf. Things like trim, number of doors and repairs can drive the number up.