After dozens of showings and 22 offers in one day, a Northeast Philadelphia rowhouse left the market after two days. The house was listed at $175,000 — a popular price point. The winning bidder will pay more than $210,000. Besides paying above asking price, some buyers continue to waive home inspections. Others are offering quick settlements and letting sellers stay in homes for free for a few months while they search for another home. One Philadelphia buyer’s offer to teach a seller Spanish sweetened a bid and was written into the agreement of sale, said real estate broker Carol McCann. Teach…