I wrote several guides for small merchants https://darthcoin.substack.com/p/lnbits-for-small-merchants https://darthcoin.substack.com/p/the-bank-of-lnbits https://darthcoin.substack.com/p/lightning-wallets-comparison https://darthcoin.substack.com/p/first-steps-to-accept-bitcoin-as https://darthcoin.substack.com/p/bitcoin-for-merchants https://darthcoin.substack.com/p/bitcoin-be-your-own-bank-think-like https://darthcoin.substack.com/p/getting-started-ln