For us, online shopping is an absolute godsend. We both work long hours and leisure time is precious especially at the weekends so we do our food shopping online. It is the most, boring , time consuming thing for me trailing around Tesco so we either do click and collect or home delivery. We use Amazon a lot for boat bits as its so much cheaper and also click and collect at Screwfix.
Certain things, yes I want to see them before purchase, such as the washing machine I had to get on Sunday. We were tempted to use AO as we have done before, but I was glad i went into store as the one I thought I wanted had a very flimsy door. It took probably 2.5 hours out of my weekend travelling to and from the store and choosing so plus a weekly food shop, thats a large chunk of time.
When we retire, this may change as we will have the time but for now its fab. Food gets delivered on Friday, we are completely free at the weekends (unless the washing machine packs up)