all your questions will be answered here:
https://darthcoin.substack.com/p/bitcoin-be-your-own-bank-think-like

I didn't do a good coin control before l moved my BTC to cold Hodl wallet. 
So please l am asking can l moved my BTC back to hot wallet like sparrow and do a good coin control then move it back to Hodl wallet?? 

Bitcoinfreedom

https://darthcoin.substack.com/p/stacking-sats-noob-journey

bitcoin_beginners

UTXOS management 

Then cam this guide...
https://darthcoin.substack.com/p/stacking-sats-noob-journey