So, you'll probably get about $100k until the income is gone. If you keep working, you have 50-50 chance to keep going for a longer periods of time - most likely less than that.<p>There's no way to multiply that little money in just few years by investing it without jeopardizing it all. You won't even qualify as a professional investor as you don't have enough money for it, so your options would be limited anyway.<p>If I was you, I would try to milk the app store as long as it's good and network like crazy while doing so. Focus on quality, not quantity - find out the guys who actually get top-notch shit done. Get yourself known, you should be able to build some steady secondary income by telling how you did it and how iPhone apps should be done.<p>When your app store income is drying up, you should already have $100+k in the bank. Go through your network and find some other overachievers who are bootstrapping a startup with a solid business plan and who need your skills. Apply some of your capital as a seed money to get leverage. Work your ass off for a while. Profit. Retire or repeat.