I also want to add mudding was horrible and tough specially for someone that doesn't have that much experience.
Hours:
Muddying and initial stage of sanding (12 x 7 hrs = 84 hrs)
Final Sanding (4 days about 5 hrs each = 20 hrs)
On Apr 9 dry-walling around stairs and under, cutting put lights openings 5 hrs x 2
On Apr 10 muddying around the stairs and under 7 hrs x 1 + 2 hrs x 1 total 9 hrs
On Apr 11 and 12 1 x 7 hrs + 1 x 7 hrs sanding mudding of under the stairs, door fittings and framing above the doors and clean up.
Cost:
~ $900 (4 Sets of doors purchased, 3 sheets of drywall, 4 dimmers 2way made for LED’s and CFLs.)