Just adding to this post ... what can you do if you get refused entry can you get a cheap flight to a country nearby and make visa or you can not try re- entry for 60 days ???
Don't bother tears before bedtime unless you have buckets full of money ... like start with a million pounds and end up with 100,000 quid left in the pot before you scratch you're head and say I am fucked . Slow boat to blighty back .