MyNinja, I do not want to make too many assumptions about you or what you have access to, but I expect starting your own Joint Back Office (JBO) type Prop firm to get excess leverage like a T3 or Hold Brothers is going to be a harder than you expect. For starters, you need to be a licensed SEC broker, choose a Self Regulatory Organization (SRO) to regulate you, have in excess of $1mm, have a clearing broker to the partner with and have a staff that has their licenses to get approval to get started. It would be easier to start an unregulated trading firm with a Portfolio Margin Account. You can get up to 6.67x for day trading and if you can raise $5mm, get, upon approval your 10x from your broker for day trading. This PM customer account will not have the regulatory requirements of the JBO broker, but will have other restrictions.