The question I have is, given these 3 methods, is anyone familiar with this, and what is the best one?
You could also think about using a privacy coin like Monero. Monero is designed specifically to provide enhanced privacy. There are options to swap Bitcoin for Monero and back to Bitcoin without providing a bunch personal information or KYC. Just be careful in picking a trustworthy exchange that wont rip you off or compromise your data. The key is finding the right balance between anonymity and safety when moving digital currencies.