1) Strip the bed and throw the sheets/mattress pad/comforter into the laundry.
2) Flip mattress.
3) Clear away cobwebs/dust.
4) Wipe down light switchplates and door knobs.
5) Wash windows/windowsills.
6) Clear off all the flat surfaces (dresser, vanity, bedside tables, etc) and declutter as you go.
7) Straighten the inside of the dressers/waredrobes.
8) Polish furniture.
9) Clean underneath the bed.
10) Vacuum/sweep the floor.
11) Empty the trash.