Sorry to hear that. Sister had an aneurysm a couple years ago. They coiled it, lasted two weeks, then gone. Best wishes for your father and your family.
Put another way, if spending maybe $100, maybe even a couple hundred bucks, might save you thousands, is it really that bad of an idea? For the first few years?
Why stop at groceries? Make everything variably priced. Vary the prices enough so that no matter how much or little you work, in the end everyone's costs (and wealth) are equal. Da komrade!
In behavioral psych terms what you've identified would technically be referred to as "rate of responding." Its identification as the primary focus of observation in the clinical setting (
and in fact a variable even worth examining!) might be Skinner's greatest contribution to the field.