moff, have you every tried online grocery shopping? I live in the UK and have been doing my shopping online for many years and as I have gotten older and less able to get about in bad weather it has become a godsend. I found these links which may be of use to you (if available in your area of course) ...

http://www.usgrocer.com/
http://www.walmart.com/cp/Grocery/976759

... there may be a few local to you ones out there, if you are interested it may be worth a search?