What’s the best way to make sure my company is solving a real problem?

The key thing is enabling users to do things they do in real life much more easily— yes, you could have called a cab company, but it took a long time, the cab didn’t always come, you didn’t know when it was near, you had to have cash or get a nasty look from the cabbie, etc.

Sam Altman in Electrons and Atoms
What’s the best way to make sure my company is solving a real problem?

How can I find a technical co-founder?

When non-technical solo founders say “I’ll do whatever it takes to make this business successful” (which they almost always say), I say something like “Why not learn to hack?  Although it takes many, many years to become a great hacker, you can learn to be good enough to build your site or app in a few months.

Sam Altman in Non-technical founder? Learn to hack
How can I find a technical co-founder?