Most high volume printing (like shipping labels) is done with thermal printers where the heat turns chemicals on the paper black. These chemicals usually can withstand water but not alcohol so spraying with pure alcohol and wiping off usually will blank the paper entirely.
At least in America often the top-tier phones will get the best deals. An example is various carriers a few times a year will give you a new iPhone or Galaxy for free or low cost if you trade in an iPhone or Galaxy (often running promos even taking outdated and broken handsets Example Verizon iPhone 15 Pro deal). Very often budget handsets get little to no subsidy and worse trade-in deals. How many people facing the option of trading in a broken phone for a free high end model, or getting enough trade in value to buy a cheaper basic handset, would not choose and iPhone Pro Max.