There are definitely things wrong with collecting PII that could put your customer at risk of identity theft if you dont have a good reason to collect such data
Yes, but make sure you buy from a manufacturer that has their scientific test data publiahed publicly. Not all wallets shield equally. Many do nothing. I recommend buying from Proxy Store. They have a good selection of wallets.
There are definitely things wrong with collecting PII that could put your customer at risk of identity theft if you dont have a good reason to collect such data