No! You don't have to be an accredited investor to use a Rocket Dollar self-directed account. There are several alternative asset classes available to non-accredited investors.
You do NOT need to be an accredited investor to utilize a self-directed retirement account.
There are several asset classes you can invest in without being an accredited investor such as rental real estate, cryptocurrency, and crowdfunding under RegCF. Check with the investment issuer or sponsor to see if they will be able to accept your investment.