I'm in a massive and not so exploited market (Brazil). In a regular week I can think of 1 or 2 new apps that could be built and easily take the national market, specially in the B2B arena. But then all my energy wants to keep pushing my official - and much more dificult - project with a global focus. Do you ever feel something like that? Is this a bad thing?
Reminds me of the early part of this guys story... <a href="http://tylertringas.com/storemapper-store-locator-bootstrapped-to-50k/" rel="nofollow">http://tylertringas.com/storemapper-store-locator-bootstrapp...</a>
Muse businesses are good. If you're sure they're a solid bet and they have a clear business model that can make money, I'd say give 'em a go.<p>If they're not of the "simple, direct route to profit" variety, though, concentrate on the main biz. Do what you're excited about.