I think it can work sometimes but not frequently. As crypto currencies are highly volatile and it is very hard to predict the exact pattern of crypto's. Thus, it is foolishness to pay huge amount for crypto signals.

Risk management is the way to handle your mistakes. Overall, plan your trades. Planning is crucial on which execution is based. Thus effective planning can work for yo to handle mistakes.

I am using Coinbase currently. It is giving me horrible service with charges on the transactions as well.

I think this article might help us all https://www.thestreet.com/investing/what-can-you-buy-with-bitcoin-14556706 Have a look at this.

"Its gonna be tough, but people can search
 for government schemes and plans and
can choose digital platform as a job like
 virtual assistant or can open online
business like online tutoring."

"Currently, no one can answer this question,
 as in many countries cases are increasing
 rapidly and till now their is no vaccine to
end or cure COVID-19. "

"Bitcoin joins the bank". That's eminently,
 as bitcoin has upward trended so far. So
 I don't think banks should be in  any
dilemma to provide services to bitcoin."

"The hacking spam is increasing
a lot as many hackers are
hacking the IDs and wallet
 address  of clients and
withdrawing their amount from their account.
But it is good that police is resolving
 this issue and also there  are
 many good brokers who provide
best security policies to their clients."