A self employed business owner may choose to invest in a variety of resources. First, a person can invest in real estate. Being able to purchase real estate and claim it as an “investment” is one of the major perks of having a self directed IRA real estate plan. Other types of investments that can be made under a Roth IRA plan are tax liens, precious metals, businesses, and foreign currency. There is no end to the type of investment a person can make under a Roth IRA plan.