I'm neither elderly nor very very busy (maybe ~.5 verys), nor wealthy, but I'd gladly pay 30% more for my groceries if I could order them via a typical online s

I'm neither elderly nor very very busy (maybe ~.5 verys), nor wealthy, but I'd gladly pay 30% more for my groceries if I could order them via a typical online shopping interface and have them show up at home at a set time (within a one hour window).