Its not too bad get the work were there engineers don't want to go right up in the city my way. Get a lot of full systems depends how quick you are some subbies do 60-80 hours a week at £26.50 an hour (two big systems).
I will be sticking to install you get to play with lots of power tools and get scrap and when they have boilers connected to modems self diagnosing and phoning the gas board up when the telemetry says something is going to go wrong they won't be much work about.
There not saying you have to give your corgi back but if you don't they will sack you as they belive holding your own corgi means you are working in competition, I would get rid of it.
I am a snob only makita or bosch blue ,bacho, stanley, estwing, channel lock tried the cheap stuff (faithfull) and the expensive stuff thats no good(dewalt) you do get what you pay for.