Approximately how many gallons of paint will it take to cover 4000 linear feet of 3 inch baseboard and 15 regular sized doors?

I have a dining room with light oak furniture. The hall color that comes into the room is a lime green. There is a lot of natural light. What color would you suggest for the walls?

Is there a particular sandpaper/product to remove the old paint and smooth out the fiberglass? What type of paint and what kind of application? ie..brush, spray, etc.?

When you paint over painted walls do you need to use primer paint first? I have been told if you don’t the paint will not stick. Is this true? Because it would be cheaper if I don’t use primer or two coats of paint so I can budget for my

We have just painted the siding a dark moss brown and have lighter brick with salmon and light brown/tan tones. We did the trim in a cement/off white color around the windows. New roof will be a color called resawn shake, which has dark and light browns flecked with a

I used a brush and painted all of the walls just under the crown molding then took a roller and painted the room. The painting I did with the brush is now darker than the walls even after rolling on two coats. What did I do wrong?

Garage last painted 15 years ago. As I apply new paint the old paint peels off of the wall and sticks to the roller. The walls are drywall.

Please can you help. I had my door stripped back to the wood I primed them before painting and yellow streaks keep coming through. I then used Polycel stain block painted this on and two weeks later the yellow streaks have appeared again, what can I do to cover these