@Josh **********
basically from my understanding it will not include freelancers. You will have to be an employee of an established company somewhere, and on their payroll.
On a different note, the investment visa is the best visa, if you can make the initial investment amount required. It is the only visa you can actually make a profit with, as the Thai government does not want to see these type of investors loose money. That is why the approved investments are very low risk. The hardest part for many that have the money is the extensive background investigation.