Self custody will help you understand how to interact with the network. It’s worth the time.
MUUN->CC+Sparrow-> watch with Blue Wallet
MUUN Wallet has decent trade-offs for those hesitant about self custody. 2/2 multisig with MUUN holding one key and *your phone* holding 2nd. You can access both keys & move coins without MUUN using a code. You can also recover a key from MUUN via email sign up - opt in, not required.
Here is a path:
✅ set up MUUN + backup
✅ self custody a modest amt of coin with MUUN and practice back-up
✅ in low fee times practice sending and receiving - Cashapp has zero fee withdrawals
✅ buy a Coldcard + Sparrow desktop wallet
✅ create + back-up a master seed: read/learn about entropy with respect to seeds
✅ practice when fees are low sending / spending to CC & MUUN back and forth
✅ set up Blue watch Wallet using your xpub
✅ wean off of MUUN
✅ deposit directly to your CC cold storage via Blue Wallet receive addresses
✅ Done
This path will force you to learn how to interact with the network in a gradual track - as your skills/confidence increase you will be more comfortable with large amounts.
Go slow, but get started.