Ask HN: This guy copied my site / idea. What should i do?

I have a start up i launched a year ago. Its making me some side income. https://onlyusedtesla.com/

Then a customer of mine sent me this: https://usedtesla.io/

Anyone have any advice on what todo? Im not really that worried and this is the 2nd time it happ. But like to hire a lawyer and everything i can't afford it. Any help? Thank you.