When I had surgery last year and was not allowed to lift anything heavier than 5 pounds for several weeks, I ordered all pantry, paper and pet items from amazon to supplement the well stocked freezer. That continued for another 4 months after I fell and broke my back. It was a lifesaver and kept both mom and I from hurting ourselves.
Well recovered, and don't order nearly as much, but do still find pantry bargains not to be missed on amazon. We have amazon prime so don't have the extra expense of shipping charges. Because of that, what we end up paying is usually less than supermarket prices and I buy enough to last several months. I do buy the fresh produce and meats locally. I buy my herbs and spices from Penseys website for the freshness, quality and variety. The price is higher, but worth it.
I order most of my clothes online from catalog stores, but only buy when they have their semi annual clearance sales when I can get shirts and pants for under $10 instead of the usual $30 or more they charge at other times. I save a great deal more from their website sales rather than their brick and mortar stores and the selections for tall sizes are better.