Start with the scope
A useful quote names the rooms, surfaces, and work included. Look for clear answers about walls, ceilings, trim, doors, cabinets, and anything that stays out of scope. A single total without a visible scope is difficult to compare or approve.
Check the preparation plan
Preparation often determines whether the finished work lasts. The quote should say whether patching, sanding, caulking, stain blocking, wallpaper removal, or major repairs are included. If the wall condition is uncertain, look for an allowance or a clear change-order assumption.
Review quantities and products
Read the measurements, number of coats, primer needs, paint brand or grade, sheen, and color-change assumptions. You do not need to audit every calculation, but you should be able to see what the quantity represents and why the product system fits the surface.
Ask what the price assumes
Access, furniture, occupied rooms, working hours, scheduling, cleanup, and disposal can all affect the job. A strong quote states those assumptions and identifies what would change the price, so a decision today does not become a surprise later.