KLW I was in the UK for a few years (in the Midlands) and most of the casinos are small or cater to high rollers...Grosvenor, Crockfords in London etc etc ...... so it can get very expensive if you attempt to test a new bac method in a casino.
Personally, I would never play online...too many problems.....and don't even think about playing online against an RNG....you might as well flush your money down the loo.
Probably as mentioned by ASYMBACGUY, is to buy an automatic shuffler and deal about 200 or 300 shoes and see if you can find any abnormalities which are worthwhile... finding only one or two abnormalities a shoe will not be practical or worthwhile....... so don't quit your day job.
Even if you can find 15 or 20 abnormalities a shoe, there is no guarantee you can come out a winner in the short run, even if you have a large % probability edge such as 10%........you will win in the long run with a 10% advantage, but in the short run, normal standard deviation can turn you into a loser over 2 or 3 shoes in a row.
Most blackjack teams in the 1970's to 1990's using a big player only placed big bets when the deck showed a
1.5 % advantage......... and it was very common for their bank to lose 20 % to 40 % of its value...even playing with a 1.5 % edge.
And if you are married with a few kids and your wife sees you dealing cards on the kitchen table for 2 or 3 hours every day, you might soon be talking to a divorce lawyer.