We have used this company maybe 8 times over the last years, as our rentals have become vacant. Recently, they did a job at a rental and for some reason the bill went to the rental, 4 times they say, rather than to my billing address they had on file. Since then, we had them do another rental for us, got the bill, and paid it promptly, with no mention of an outstanding amount. So, after no payment received after 4 invoices to the wrong address, the very first verbal communication from them was 'pay up or we are sending this to collections'. Really!! and the fellow refused to acknowledge this may have been a little harsh. The workers and the system is very good, but I wouldn't get cross-ways on payment, they need to cool their jets, and check their records before threatening collections!!!