With his previous experience building apps, Sahil realized he did not have to be an extremely competent engineer to test this concept, he just needed to to build an MVP and see if it would work.

Sometimes people get caught up in branding, design, and all sorts of other tangential things, never actually launching their business. Instead, Sahil just wanted to learn, so he didn't spend any time making it perfect, and launched Gumroad on Monday morning after a weekend of hacking.