Four reinspection cycles on a three unit, and the vacancy ate a year of margin
Closed on a 1920s three unit in a blue collar pocket of a mid-size metro last spring. Purchase was 214k, I'd budgeted 28k of work, and the plan was to place voucher holders in all three units at once because the local authority's waitlist is years long and I figured the tenant pool was the easy part. The tenant pool was the easy part. Nothing else was.
Two things went wrong and only one of them was temporary.
First, the rent. Payment standard for a 2BR in that zip was 1,190. I underwrote 1,150 across all three. The rent reasonableness determination came back at 1,025 per unit because the comparables they pulled were older stock with off-street parking I don't have. That's 375 a month gone from the building, permanently, until the standards move.
Second, the inspections. Unit 1 failed on a missing GFCI at the kitchen counter and a cracked bedroom sash. Fixed both in four days. Reinspection was scheduled 16 days out. Unit 1 then failed again on peeling paint on an exterior porch column, pre-1978 building, so that became a stabilization job rather than a scraping job. Units 2 and 3 got caught in the same cycle behind it. Between the first request for tenancy approval and the last executed HAP contract, 19 weeks.
Hard cost: about 11,400 in lost rent I'd underwritten as 6 weeks of turn, plus 3,400 of repairs I would have done anyway but at contractor-emergency pricing instead of my own schedule.
What I'd do differently: get the reasonableness number in hand before I sign anything, and never put three units into the queue simultaneously. I'd stage them, learn the inspector's list on unit one, and pre-fix units two and three off that list.