For example, HOA restrictions or approvals needed, problems with underlying building systems (electrical, plumbing, HVAC, rot or decay), leaks, structural problems, load bearing walls, etc.
Describe the end result you're aiming for.
Broad strokes are fine. We'll get into more details and specifics in the following questions.
Note any patios, balconies, decks, gardens, or other outdoor spaces by area.