Photo of your UK license, electric bill for your UK address. or receipt with time date and UK address, Hotel registration and/or photo of keycard with date and time stamp Hope those idea help
Everyone who has applied under medical have a different experience Some have 1 dental appointment and are successful Others have 6 or more medical and are unsuccessful. A search in this group may give you a better idea of how things worked for others
I'm pretty sure lots of banks maybe any bank. Just try one near you making sure you take passsport visa and anything else they may require. It is DTV visas that are having trouble opening bank accounts.
If you are lucky enough to get her when you enter the country you will be fine but if you get her grumpy friend who has a headache you may well get refused or at least questioned At the end of the day it is up to the person in front of you at the desk and whether they think you are abusing the visa exempt system