All you need to know about Hi-frequency trading is here: The only way to profit is from churning naive investors accounts and getting a chunk of the trading commissions. Save your $3k or $4k.
Are you afraid they will reveal your secrets and reduce your net to .00000001 a share from .0000001 a share? hft cheat sheet
John neto isn't a hft. He is a retail guy. Why is he speaking? Likely since none of the real hfts will talk as they are too busy making money.