You have the main difficult thing that is needed for a UK paypal account, and that is a UK bank account, the rest is easier.
You can buy or make a UK ebay and paypal. If you make it, then better to make it on a safe UK ip.
Revoult? - no idea, doubt it...
For the UK limits lifting or verification, you can use your own Pol passport, and then you need bank account or Utility with UK address, and they need to be within 3 months. The docs you mentioned you have might be on the list, not sure but date would need to be 'different'. Online UK bank statement would be best solution though, showing UK address.
A UK ip would be ideal to run it on, so either get a good
VPN or maybe get a UK friend to run it all for you.
Sending from Poland to UK or rest of Europe, should not be a problem, as shipping is only 5 days.
When I dropship from Europe, I say the item is coming from UK on settings, so I do not put off UK buyers - however I write in the listing that sometimes items are shipped from EU warehouse if out of stock in UK, and it is the same shipping time, and I have never had many issues.
If you have an accessible UK address, this is good, otherwise it will need to be stealth or mailbox
You can have a vcc to add to paypal, but,actually you only need bank. However if you can get a real bank card sent to your UK address, this would be handy to add. However avoid giving the UK bank your Poland address, or they will start giving Pol the details of the balance etc due to EU rules.
Your main issue is competition, there are alot of people doing this, and also alot of people from Bul, Pol, Rom doing this from their own country and getting sales due to good shipping times and good feedback confidence, even if they are based in their own country, so making a POl account and selling to uk and EU is a viable option too. However some people prefer to buy from UK based account and will pay slightly more for the product for that.