There are companies who have built empires with superior customer service & great products. L.L. Bean of Freeport Maine is such a company. Sears or who ever sell Craftmen Tools stand behind that product as long as you own it.
Today many of the product Wal-Mart, LOWES, Home Depot sells are designed to died with a very short life. When I was a kid every town had something called a FIX-IT-SHOP. This was a place you took a toaster that failed to work, and the guy at the fix-it-shop, made it work for a small fee.
If your TV stopped working you called a repair guy who came out with a big box of TV Tubes, and after a short time a bad tube was replaced, and the TV worked again for years. A big problem was a bad picture tube, but they were fixable.
Today you buy a toaster, hand mixer, radio, TV, DVD player, or small counter top appliance, it quit working. You throw it in the trash, and order a replacement from Amazon or Bed & Bath Shop.
Good news is there are still companies offering superior products, that stand behind those products if a problem happens.
Before retiring I had a little one man business, I think I was sucessful, I was able to retire at 50, my sucess was partially because I treated my clients like they were the most important people in the world. They were because they paid my rent, made my car payment, put food in my mouth, and provide me with a good income.
Had a couple that were more trouble than they we worth, my solution in dealing with them was not being available to work for them when they ask me to work for them. Too many year of Bs before I had other client to replace the couple of slugs.