No broker is offering the ability to engage in HFT for 10 grand.
In order to open an account with the neccessary infrastructure to engage in HFT one must be an accredited investor (typically means having a net worth of 1 million dollars or more) and the cheapest brokers typically require a minimum deposit of $500,000.
Not to mention the overall costs including hardware, co-location, market data and other vendor costs are on the order of 45-50k a month.
With $10,000 you can't even open up a normal day trading account as the law required a minimum deposit of 25k.
Not true. I have a commodities trading account I use to trade corn, soybeans, and hogs. Minimum opening balance was $5K (Tradestation). Scottrade and others have a minimum of $500. Now if you're talking margin accounts, sure, you're going to need more.