Do you want to increase the price of your products while decreasing demand?
That is something no one wants to happen.
Adding more low-value items to a list or more products to a bundle decreases the perceived value by 3%-27%, according to 8 studies.
For instance, the “iPod” itself commands a higher price tag than the “iPod + 1 free song download” bundle.
According to the Presenter’s Paradox, they do this by averaging (rather than adding) the value of the contents of a set.
Source: https://speero.com/post/does-the-presenters-paradox-actually-work-in-digital-marketing-original-research