Placing a cheap item next to an expensive item to make it look more affordable.
"% based deals. Some offers say anywhere from 300% to 2000% deal compared to regular gem buying"
"Special bundles are offered along with choices of purchasing Acorns ranging from US$1 to US$100."
"The Gem purchase menu has 7 choices ranging from US$1 to US$100. The game offers double Gems for first time purchases for the cheaper tiers and bonus Gems otherwise."
"Several bundles (including ones specific to the current event happening in game) include resources and a cat to collect."
"Often arena tickets, gems, and tiles are offered together, and the bundles change daily (or almost daily.)"
"Many items claim that they "used to be" some price that they literally have never been. They entered the shop for the first time as "on sale" and never were taken off sale."
"Often, bundles contain a cheaper option that is directly related to a more expensive one."
"The game offers you to buy primogems at roughly half the price for the first purchase only."