Thnx for ur tips I'm thinking about raspberry blitz with RTL in an docker but it's not final in my mind Moreover I found 2 good sites for calculation:

Lightning Node Profit Calculator – Calculator

Athena Alpha

Bitcoin Lightning Node Profitability: ROI & What To Know Before Investing (2024) - Athena Alpha

Get invaluable guidance on what type of Lightning Node Profitability you can expect to see based off our years of experience operating a node