I wrote several guides about doing such scenarios here:

• https://darthcoin.substack.com/p/lightning-cleaning-machine
• https://darthcoin.substack.com/p/lightning-network-submarine-swaps
• https://darthcoin.substack.com/p/bitcoin-and-privacy
• https://darthcoin.substack.com/p/operating-with-ln-as-a-merchant
• https://darthcoin.substack.com/p/private-lightning-nodes

The most important thing is to use the 3 levels stash: hodl, cache, spend https://imgprxy.stacker.news/KKtwTDmOJcATNKH4A53B50BNNc6l7BHcx0oQp40C3i0/rs:fit:600:500:0/g:no/aHR0cHM6Ly9pLnBvc3RpbWcuY2MvTVRMMmt2VDAvM2xldmVsLXN0YXNoLmpwZw

As I explain it in this guide: https://darthcoin.substack.com/p/bitcoin-be-your-own-bank-think-like

Important guide about wallets to use here: https://darthcoin.substack.com/p/lightning-wallets-comparison