Investor Alert!!! Duplex in Upper Merion Schools. Live in one unit and rent out the other unit. You can buy this duplex for very little money down and a payment of $1042.91 a month for both units. First floor is a 1 bedroom unit and has access to the basement and upstairs is a 3 bedroom unit. Upstairs unit needs some work. You can live in the one unit and rent the other unit for $750-$1050.