Few years a go I witness a conversation betwin a guy that instals fence and the owner of the local concrete company ,the fence guy was almost begging for a better deal since he gas been charge around $500 for around 1cy to 1.5 cy of concrete for the fence post ,the reason he was almost begging was they were freinds and the fence guy was always loyal when times were tough and we (since I drove a mixer for this company) did appreciate his business ,as small as it was ,well soon after that the local fence company bought one of this set up ,and Im sure not only paid for it self but it is convinient to have the concrete when you need it .