Actually accumulated over 2000 BTC back when... sold it for what it was worth at the time (under 1$) as I needed to pay my rent. never did HODL, the biggest mistake of my life, and still makes me sick to think about it.
There are worst-case than what you experienced. Remember that so you won't feel any guilt or regret. Besides, you need that money and it gave you a place to sleep and stay out of any bad weather. That's still worth it, right?
Trading signals. I won't say "no" like never. Use it but don't extend the usage where they want you to pay for the next signal.
Leave them and find a new one with free services.
Trust me, they will abuse you once you paid them, better do it to them first.