Kl is the strictest embassy to get approval from. Hanoi would be the easiest out of those 3, Taipei the quickest. If you apply via your freelance role then no need to worry about renewing membership of a gym.
You can find 100s of London applicant DTV applicants posts on the main DTV FB group, detailing the requirements. It is correct, you don't need seasoned funds to apply in London . They do check to see you receive an income so include pay documents.
Yeah, there are less condo owners now that do for less than a month compared to before. The central BKK area has more hotel licensed properties listed than before.