The second (and cheaper) path assumes that you have the design and dev chops yourself to build your dream software. Naturally, it’ll take more time to get your product off the ground, but being able to bootstrap the development of your software lets you retain more ownership in your business and be more in control of your path, making this a lower-cost, but higher time investment to make money selling apps.
While Etsy is fantastic for handmade goods that you’ve already created, if you’ve got killer designs that would look good on phone cases, t-shirts, or even wall hangings, pillows, and duvets, you can sell them on Society6 without paying anything to start. Society6 lets artists upload their designs and create their own shops where they choose what products their designs can be used on. That means one design can be used to make a whole range of awesome products that are printed and shipped on demand whenever someone buys from you. With top creators making thousands every month just from selling their designs.