Videos that might be relevant for you are:
1) How to set up a Bitcoin Wallet to receive BSVs (Paper/Cold Wallet), https://youtu.be/b9pwFERGTWE, 22 Jan 2023
2) Top Hot and Warm Wallets for BSV - Electrum SV, Rockwallet and Hand Cash, https://youtu.be/Vlyux5zbEpk, 8 March 2023
3) How to Fix Connectivity Issues with Electrum SV (a Bitcoin BSV wallet), https://youtu.be/oMG09xX0ZZ8, 3 Dec 2024
4) Your Guide to Bitcoin SV Self-Custody, Cold and Paper Wallets, Sweeping and BitSweep https://youtu.be/MZBfY-MRiKc, 27 Dec 2024. (Please note: BitSweep seems to be down (as at 4 Jan 2025). Still, I think this video still presents useful info in understanding BSV about Paper/Cold Wallets and Self Custody.)
5) How to Accept Payments Using QR Codes with Bitcoin SV, https://youtu.be/CjkbW2HpG9g, 23 Dec 2025
If there are topics that you are still not sure about that you would like us cover, please comment below.