I've read every reply and never any mention of what you do after working only 2 or 3 days a week for your present employer. I assume you work for yourself, underbidding your bosses leads ? So that said : No mention of setting aside money for taxes, equipment maintenence, repair & parts. Licenses, insurance , rainy day fund or what happens if I fall or other serious injury preventing preventing me from working ? I have 2 sons myself & would do just about anything for them ! I don't think either one of them would ever ask my wife or I to put our life's work in jepordy. I truly beleive this is what you are doing by asking for their $ 100,000 line of credit. I can't speak for everyone but go out & earn the money, save up & make equipment purchases as neccessary. GOOD LUCK TO YOU !