Message by PEN Properties E (31400) Guaranteed Rental Returns (GRR) are NOT LOVED by many for 3 very good reasons. We recommend that any GRR with the below to be evaluated very thoroughly even if the GRR % is very high, say 8 percent. 1. Price per sq ft too high. You are the one … Read moreGRR scheme? Established brand name and operator a MUST.