Interest rate 3.125. apr4.187 principle&interest $1430 real state tax321.58 insurance 125. mortage insurance 230.24= $2,097.91 water 175(could be lower cuz of coins ops in basement ) vacant 5% 150 cap5% 150 maintenance %150= total $2722. down plus Reno all in 30k. Its in a b area apartment around there go from 1150-1300. first floor owner family member at 800 third 975 long term tenants situation. second floor vacant. cosmetic update only. place is not turn keys but in good shape. once all rent meet market value at 1200 each = 3600-2722=878x12=10,536/all in (25k-30k=0.3512CoC is my math wrong ? still new to investing help me understand where my math is wrong. asking number is 310k my offer was 340 8k back. But after posting original offer submitted my agent came back to me to revise our number at 320 7 k back for closing cost of we only offer 3k over asking price. but all the number is from my lender running it at 340k. @Johnathan Oh