A mortgage amortization schedule can be useful for: comparing my loan-balance calculations to the mortgage company’s records; identifying when mortgage insurance should no longer be required; analyzing the impact of extra payments; and more. Here’s a downloadable spreadsheet that you can use for planning purposes.
When I decide to start receiving benefits affects my monthly Social Security check for the rest of my life. That is, if I choose to collect checks prior to normal retirement, then the monthly amount is reduced; likewise, if I wait until I’m past regular retirement age, I receive a bigger monthly check. So, among the retirement decisions that I need to make, this one seems fairly significant. Here’s a framework (and spreadsheet) for making this decision.