I guess a worthwhile focus is to live a good life and extend your healthspan as far as you can. Havin some purchasing power might be beneficial to that. What you leave behind is the changes you make in this world. I try to spread some good vibes where I can 😎🤙
There's openmonero which copied the localmonero architecture. I don't trust em tho. For first time maybe check out xmrbazaar where you may find a trade for cash in your area. Or use a swap service (trocador.app) for crypto swaps.