Want more stability in your financial life? Here's how freelancers can create a more reliable income through diversification. Perhaps whoever coined the phrase "don't put all your eggs in one basket" was a freelancer, because, well, that's one of the biggest financial mistakes freelancers make. If you make all your freelance income from one client, what's going to happen when that client loses their funding? Certainly nothing good. But, if you make your freelance income from ten clients, when one…