The “Decoy effect”, affects our day-to-day life, most people are not aware of it and do not think about its impact of it.
we visit regularly grocery stores, shopping malls, and online stores.
we never focus on what tricks they have on you to lead you to buy more.
The decoy effect is one of the tricks they have to direct you to buy more or buy a product that gets them more profit.
We experience choice overload everywhere, which means too many choices to buy the same product in different price ranges and add-ons, this is what leads to the decoy effect and makes us buy more.
If you search on google, you will have enough information to understand this and keep it under your awareness when you visit next time an online site for purchases.
Here are a couple of pointers to get a good idea.