I never do this. Other people do.

I see very little (to none at all) reason for limping at the micros. Is there money to be had in limping? Yes. Is it a lot? No, not compared to the other leaks that plague 2NL.

I'm fairly sure that sponitnow disagrees with me on this. He can probably give you the information you're looking for.

Be sure to look in to his free Beginners Guide to NLHE, here on FTR.