I sure wish I read this before taking over an existing alarm system in a house I purchased. Received inadequate training on system, so everytime I came home, alarm would go off. Was able to turn it off, and never turned it back on again - as was unable to ever be properly trained, and literature left behind, did not explain properly. Tried to cancel contract, as period was up, but they wouldn't pick up equipment. I had to send it back to them using a form that they would send me. Never received this. Then my credit card expired, but no... read full review »