Construction is a tough business. It can make you rich. And it can drive you into the ground. I should know. I've been in the construction industry for nearly a quarter century. I've been the guy sitting in the office bidding jobs. I've been the guy operating the backhoe. Hell, I've even been the guy shoveling gravel. I've made a lot of money. And I've gone bankrupt. But I dug my way back out. I wouldn't trade any of that experience because it has made me who I am today (well, maybe I would trade the bankrupt part). Today, I am a professional construction estimator and co-founder of ProfitDig...