Psychological manipulation - what I learned trying to save money on a sandwich
In commerce this is the psychology used to get people to keep adding upgrades onto their orders. You get someone to commit to an initial purchase at a simple/cheaper price, and then you ask them if they want more. It's easier now to get them to say yes.This is what GoDaddy does in spades. Love or hate GoDaddy, they are kicking ass at it.
more on blog.inklingmarkets.com
On cheap trick of being cheap.