If you fill 5 at same price point on both buy/sell, that's 1 trade. Now if you fill 5 buy, then on sell you get 4 at one price, then 1 at another price, that's now 2 trades, and very unequally weighted.
I have only read of 1 complaint. Upon initial trade, there maybe lag for modules loading in. I'm not sure if this was 6.5, or extends to 7.
Also, are you using zenfire or ib or cqg or tda? Each interfaces differently with NT.
I'll try to find that document if I don't forget.
Background checks are performed at guns shows when buying from a ffl dealer.
Private sales do not require.
How many criminals buy guns online anyways? That requires a face to face meeting.
All other shipments are thru ffl, and get background check.
There are never any background...
Give everyone on unemployment / welfare, a broom, and them sweep sidewalks or dig ditches. We will then make then at least productive, and they will probably find a way out of their situation.