Because you’re publishing an eBook rather than a physical book, the costs are minimal. And you don’t have to print 1,000 copies of your book hoping someone will buy it. Instead, you can write your book, create a fancy cover for $5 using Fiverr and publish through services like Amazon Kindle Direct Publishing. Amazon will handle everything for you, then take a percentage of the revenue you generate.
* I use Personal Capital to track all my finances in one place. It’s much easier to use their free software to follow 28 accounts on one platform than to log into various accounts to check my balances. They’ve also got great tools for x-raying your portfolio for excessive fees, recommending a more optimized asset allocation, and planning for retirement with their Retirement Planner.