I can't imagine your age is "too old!"
I have a 68 y.o. friend living in a very rural cabin without running water, no heating system and an old outhouse 24/7, 365 -- through snowy winters, etc. Her only source of heat is an old woodstove. She cooks on the woodstove or with an outdoor grill. She LOVES it and has regained her self-confidence through this adventure. In the meantime, almost everyone was telling her she'd lost her mind. I've seen very positive changes in her via this experience. She doesn't plan on living this way forever; yet, had enough insight to follow her own intuition on what's best for her!
You know what types of experiences will enrich your life, too!
Go for it and Enjoy!

WC