Vacuum tubes
Rotary dial phones
45 rpm records and the little yellow plastic spindle adaptor
A bearleap is an obsolete term for a basket used for carrying items.
Candle snuffers, wick trimmers, spinning wheels, wig powder, moustache cups, awls, 2nd answer: Good answer! I might have left out spinning wheels, as so many are used today, but it is very true that spinning wheels are obsolete for making thread for everyday consumer use.
The answer can be summed up in one word: inflation. As the items people need to buy become more scarce or the materials required to make them become harder to get the price must go up in order for the seller to make a profit. On the contrary, if these items become more common the price will go down as it is easier to make a profit off of these items.
There is one very common thread in items related to biology. All items that are related to biology are living.
Common household items that begin with the letter r:radioraincoatrefrigeratorrevolverribbonringroberougeruler
Salesperson jobs are not obsolete. Although the internet is a big draw and a lot of people go there to buy items there are still a lot of things people prefer to buy in stores and see and feel before they make their purchases.
The typewriter, quill, cannon, oil lamp, telagraph, and the horse drawn carrige.
food and other items
Built-in obsolescence is the practice of intentionally designing a product to have a limited lifespan or become obsolete after a certain period, encouraging consumers to replace it with a newer model. This strategy is often used by manufacturers to drive more frequent product sales and discourage repair or reuse of older items.
Common food items with base, if what you're referring to as stock, are a few things. These items include canned soups and bouillon, just to name a few.
Umbrella, underwear, uniform and utensils are common household items. They begin with the letter u.
All retailers have reduced price items but only on certain items or combinations. This done for slow selling stock or soon to be obsolete stock. Adding anything to such stock may cost more than waiting a few weeks for the latest and greatest items