Erika, what a wonderful idea! You're helping yourself and others at the same time.
I lease my house so I'm not sure how the landlord would feel about the back yard being turned into a veggie/flower garden but for those who can manage it it's a great idea.
I have to have a man keep my yard mowed and trimmed up. He's great and gives me a break on the cost. My DH died almost 11 years ago and it's difficult without anyone to take care of the "big" stuff. I've been truly blessed with good folks in my life.
There's a few of us here who've lost our husbands and have to "figure it out" on our own. We can help each other by sharing tips and ideas of what works for us.