I have four iPads since they come out.
iPad (16 GB) - Bought during my sophomore year of college, I stopped using it in 2015 when it became completely useless. I don't have it anymore.
iPad Pro 9.7 (128 GB, Cellular) - I bought this used when I went to go back to using an iPad after using a Surface Pro 2. I used it until I bought an iPad Pro 2018 11" since I always wanted one. I got enough birthday money to get it.
iPad Pro 11" 2018, 256 GB - Bought this new in box with a discount. I used this as a lightweight laptop when I just need to websurf, games, or do light productivity tasks. It had a Logitech Slim Folio Pro, but replaced it with a Magic Keyboard when that came out. Eventually, I used it mostly for reading Manga, and games when I got the M1 iPad Pro.Still used today and still runs fast, although it's starting to show it's age a little.
iPad Pro 11" 2021, 256 GB - Mostly used when I am in bed or at work. This is my daily driver since it has more memory and is fast. Still, I can't take full advantage of the M1 processor on this one yet.