Next to genealogy subscription websites, DNA testing is one of the most expensive genealogy tools. You should first read up on how DNA can help your genealogical research--and what it cannot do. You should also research DNA testing companies to ensure that your results will be useful for your genealogy. The most frugal way to do testing is the most simple: find several relatives who descend from the ancestor in question and pool your money to purchase a test kit in which one of you is tested. Four people chipping in toward a $100 test is only $25 a piece, of course! Make sure the individual being tested is willing to share the results with the rest of the contributors.
This post is part of a ten-part series on Frugal Genealogy, based on my most-requested presentation, "Frugal Genealogy, or How Not to Spend a Fortune on Your Family Tree." Each post in this series will focus on one of ten topics I discuss in my presentation, and I freely share one tip from each topic. If you would like me to speak to your group anywhere in the Pacific Northwest on this or any other subject, please contact me.