I agree Mr. Tree, but one thing is missing. And that is what the market will bear. Having knowledge of the market and what an equipment purchase can do for your business is very important. The market that Royce is in is a very cut throat market where half the guys know what they are doing, but don't (if you know what I mean). If you want to survive in that cold part of this country you have to diversify your business. Those that do, do very well for themselves... Even the ones that are clueless. The key is knowing when it is time to grow, and when to hold off, what can that piece of equipment do for me... Not just one job, what is next... Is it going to sit? Is it going to move on to the next job? You always need to look beyond the estimate you are working on.
You are absolutely right, its much easier to recoup the small cost on a failed piece of equipment, then that mini ex purchased for one job.
Royce - the way you describe the job, it seams like a tractor/winch combo (or something like that) would be more helpful than a second mini skid (might almost say leave the mini at home). You may even consider hiring one in (I have a contact if you need). That way you don't have the cost of owing the equipment, but you get to see how it works on that type of job. A little risk, but not 30k if risk!