Tax lien investment is the best way to earn profit, which also involves many risks and challenges. So people should be very careful and analyze different things before investing in tax lien. In each state or county, the rules and methods will vary depending on the state law. Initially, learn the process how tax lien works in your county. There are number of resources available to provide education on tax lien investment. It is the wise choice to acquire online training, which are convenient to schedule the training timing as your own. You can also consult expert real estate investors to know about the advanced strategies of tax lien investment.