I think the advice we’ve all been trying to get across is that it’s not an easy job to do or get into. There is so much to learn and spend out. Nothing is ever simple and everyday is a school day. If you’re still keen then do it but getting gas safe properly and I mean with experience requires you to work with someone, not necessarily legally but come on, even when qualified common sense says you will be green for a good few years before you’re confident tonbe solo. It is not something you can just read the instructions and get on. You need real world experience.