I have a 1950’s home with stained interior flush hardwood doors. I’d like the doors to be painted white for an updated look (and to match the trim) but am unsure if flush doors follow their own ‘finish rules’. Is there a preference that flush doors be stained instead of

Can I use light weight mud in place of the dimensional basecoat that cost $50 per gallon?

Do we paint everything the same color?

2 ceiling lights were removed leaving a very smooth surface where the holes were repaired. The surface of the rest of the ceiling is somewhat ‘bumpy’ for lack of a better word. How can I get the repaired surface to have the same texture as the rest of the ceiling?

How to remove the sheen when using glazed faux finish on walls?

Can I texturize over wall paper? Most of the paper is off but behind my washer and dryer and up high above my cabinets.

I have a problem keeping the paint on old doors that have been varnished or shellacked some 50 years ago. Even if I prime it with Kilz they still chip. Do I have to strip them completely or have you got a better idea?