Can you learn to code and build an app in a month? Here’s what I made. (davidmckinney.com)

You're selling basically a bunch of static quotes for 1.99? Wow. Not to be flame-bait, but man, that takes some guts.

Absolutely you can, and you will do it again and again with different technology stacks and different languages.

Congrats. I think it's pretty impressive what you've accomplished.