Glad it did something beneficial. If it is of any help, my email is uvebruce@icloud.com. I've opened over 30 food locations in my life and am more than happy to help you realize your dream. No charge.
If you contact me we can exchange numbers and whatsapp. I live in Milan now. But am a semi retired retail food consultant.
For example. You could run the utilities through your home, or vice versa and get tax benefits to offset costs. Solar is an option too.
keeping it simple with minimal refrigeration which is expensive to run, necessary obviously but can be controlled through menu choices. Simple things like using fire instead of electricity is very 'in' at the moment anyway, and much cheaper.
Nothing beats wood fired bread or meat protein. Anyway. Good luck whatever you decide and I hope to hear from you.