I wish to caution prospective customers of R & D Boat Supply, Inc. 22 Washington Street Cambridge, Maryland 21613 Ensure you get an estimate, if not it will end up the same as giving the owner a blank check. Surely any professional who is in the business long enough should be able to give an estimate within 10%. I have a 21 foot boat and asked for an estimate on some of the simple work such as the installation of VHF antenna, mounting a VHF radio, install a transom transducer, etc. He said he was unable to give any estimate. Well, the bill... read full review »