I remain fairly tight early on, even if I've been been so lucky as to double or triple up. I may be a bit more inclined to speculate (e.g. call a pre-flop raise with a low pocket pair or a suited connector when the implied odds
are marginal, and which with a normal stack size I might throw away), but nothing too loose.
During low blind play, it's more important to preserve my chips and my table image than to personally try and take out everyone. As chip leader, you have more to lose by losing chips than you do to gain by gaining more chips (as the way tournament equity works is that the more chips you have, the less valuable each individual chip is). Each time you eliminate a player, you do your remaining opponents a greater favor than you do yourself, as you increase their tournament equity by a greater amount than you do your own. So there's just no need to donk around in the early stages, even if you can afford to do it. Then bubble time comes around, and so does the inner chip bully.