I have set a simple schedule of re-balancing my portfolio every 3 months, if necessary. Re-balancing involves periodically buying or selling assets in your portfolio to maintain your original desired level of asset allocation. In my opinion, this is one of, if not the most important aspect maintaining an index investing portfolio. In fact, I have just done so by buying the lagging component. If this is new to you, don’t worry. This is really easy to do. Using Google Sheet To Quickly Perform Auto-Calculation My preferred approach is to use some form of spreadsheets to quickly calculate for me what needs to be done. Came across this freebie from You Need A Budget which I thought is fairly simple and easy to use. Scroll to the bottom and click on the link which says “Betterment DIY Rebalancing Spreadsheet”. Make a copy of it and you can start editing it! I practically ......