Finally have pest. license... thinking about purchasing this unit off of craigslist.. anyone out there use a set-up like this?? comes with 9hp motor, John Beam pump, 300 gal. tank &60 gal. tank on back, 2 400ft. 3/8 hoses on elec. reels.... good set-up for lawns?? what's this thing worth for any of you that may have s'thing like it, I think I can get this for a STEAL!!! Any input would be great, seller claims the JB pump is worth $4500 alone!??