Great read, by the way. My dad taught me how to bargain buy. He bartered even at the grocery stores where I thought all the prices were fixed...because they were printed on little papers right under the product-it couldn't be any more obvious! However, my dad would talk down the price of many products. He'd call for the manager every time and eventually would get on a first name basis with him/her. It was an art. He was thrifty.
My wife's family buys food based on lists. My dad bought food based on pricing. My wife's family ate well throughout the year and ate whatever they were in the mood for. My family meal planned based on what was on sale at the moment. Both are fine, but I learned a valuable lesson-variety.
I see your assertion about buying TV's, refrigerators, etc. While those are great purchases for reselling, maybe, I'd say there are probably better assets for resale...like shoes and blue jeans...the kind that aren't dependent on a 1 year fashion fad. For instance, I told my girls I would pay them $0.02 per page that they read in their books the whole summer. Instead of paying them in cash, I took them to the local Marshall's (in the United States it's a store where other stores send their stuff that didn't sell, but it's still new stuff, or they just bought it in bulk at a discount and are selling it-my words, not theirs). We saw on YouTube where cleats are the best shoes to resell on eBay, so we opened our eBay apps and hunted for cleats that were selling on eBay for 2x what they were selling for in the store. When we got home, we took pics and posted them. One of the 5 pairs sold. It was a $16 pair that sold for $28 plus shipping. My kids learned a lesson that day.
My wife is very much into brand names...I am not. My dad used to buy cans of food in the generic brand and cans that were name branded and would put the contents into bowls and have the ladies of our church taste test to see which was which. No one could successfully tell the difference. Lessons like this stand out to me and make a great point in wealth accumulation. He also taught me about compound interest which has helped me to this day. It takes a long time to earn on your own, but when you finally get a pile of cash that starts the compounding effect, life gets better at an accelerated pace. That's enough of my comment for now...I feel like I need to just post on the same thing LOL