Handheld electronic gas leak detector

Thanks for the feedback. I have done the leak check on my home LP gas lines in which I installed a few years back on a fairly regular basis (1-3 years). They test fine with soapy water and I do not smell gas. I am now questioning the tank and pressure regulator outside. Did the soapy water sparingly on the regulator, and did not find a leak. I am not smelling gas at the tank on a regular basis. Just wondered if the homeowner electronics were worth the trouble. Have not read any convincing post here yet. Happy Camping!