I would keep them both Jac, I’ve found PP to be pretty decent. At least then
you have options 
Yes, give yourself as many options as possible is sound advice.
For some people it is like a badge of honour to have an account closed down but in reality it just lessens your choice.
Many bookmakers seem to do sign-up deals so it is worth having a look at any offers.
I am very old fashioned in that I prefer a telephone service to the internet and although Bet 365 do provide Best Odds on the phone many other bookmakers don’t. Others like Ladbrokes have a £25 minimum bet restriction on the telephone.