Any Advice Please Thank You X

I do a lot of part time dealing in the decimal 50ps and £2 coins, so I think I can advise to a degree.

You have some reasonably interesting coins there, but nothing worth mega-bucks. The 2017 £2 coins will never be issued in circulation, so the Buncs you have there represent the only way a collector can acquire them. As such I think they will increase in value - but are unlikely to get to serious money in the next 20 years. The Shakepeare coins are attractive - the comedies in particular seems to be more difficult to find than the others. The Olympic 50ps, as a set, do very well if they are in good condition, ideally in one of the folders with a completer's medallion.
The Beatrix Potter coins - when you say "complete", be aware that there are 4 new ones in 2019, only one of which I think is out yet. The 2016 5 coins are all fairly common except Jemima Puddleduck, which can make about £10 now. The 2017s are all very common. Jury is still out on the 2018s as they still seem to be surfacing in circulation - Tailor of Gloucester and Flopsy Bunny fairly often, the other two scarcer.

The bottom line is how much do you need the money now? You can see the prices you can get for them on ebay or Facebook - if that is enough to make it worth parting with them, then do it. But if you enjoy them and may want to add to them, or can leave the money there for now, then keep them.

Coin collecting becomes tedious if all you are concerned about is the investment value. True coin collectors love the coins for what they are - pieces of history and design.

from a fellow British collector!

I agree with what's already been posted. If you look for prices on ebay, please check the prices on sold listings, which will give you an idea of the actual price these coins sell for. Some chancers put even common coins like the Benjamin Bunny and Mrs Tiggy-Winkle 50p's on ebay for ridiculous sums, but of course they don't sell. I personally have sold duplicate circulated Olympic 50p's for £2 to £3 each.