Okay so I do that find out my MS and try to translate that somehow to refresh rate, gotcha! I just have to remember to keep it at 2000ms or in that ballpark, thanks! But would that make me suspicious to TNT or is that considered within reasonable limits?
Okay bought an item at it took me 2112 ms at a refresh rate of 2.5 - 4.0, so I'm thinking I drop the last parameter down or tweak both?
I just looked at my buys right now with above mentioned refresh rate and they vary at 1300, 2100, 1700MS. So is it too fast?
Your refresh rate has nothing to do with your buy time unless you are in the attic. Then, it is added into your buy time so you have to factor that out to know what your true buy time is.
That being said, your refresh rate is too low. You are going to get RS banned quickly and will not catch significantly more items with that low of a wait delay. You should consider raising it a few seconds.
And to answer your last question, no, those times are not too fast.