@Phundamentals has put together an amazing Bitcoin Math website (https://magicinternetmath.com) but what he failed to mention is that he also casually put out one of the Best How to Use Bitcoin guides with Sparrow Wallet!
https://blob.satellite.earth/1a71da3d9cfdc924de20139da605fb53df48a39380c4441ef3854aa2c15e0c2d
Sparrow Bitcoin Wallet | Math Academy
A comprehensive course on Sparrow Wallet: Bitcoin security, PSBT transactions, hardware wallet integration, and privacy-focused self-custody