a window cleaning business is one on the more secure businesses to buy as you already have a group if regular, almost guaranteed customers. As long as you don't get conned, and you're not an idiot yourself, buying a round is a very sensible and secure business decision
As said above,youre only buying good will.nothing to say most domestic customers wont get rid of you instantly should they choose, and what if you bought a business that you paid tens of thousands for and included contracts with comet,blockbusters,jane norman,jjb and republic,worthless.Buying a business is a tricky one.