It's not a marketing strategy.
You failed dude. that's why you can't do a single job
i have seen several ppl like you. Fail ppl. no real job. just nothing.
but they have a lot of reasons like you & hell of jobs like you.
You need to settle somewhere soon. look at your age ? upper 40
how long you can do this.
no need for lessons because as i said above you have a lot of reasons. but we all know, FAIL REASONS