yeh just use cell phone chargers and comp fans the fans range from 3.5 to 9volts the 3.5 volt fan are good flow and you can run two fans from onecharger done it for years and no fires touch wood!!
I don't think 50 bucks is a big ask for each clone
damn thats pretty reasonable considering your gona get a female plant from it
and you don't have to wait till your seeds germanate then sex themselves
shit even if you only grow a hundred bag off it your still 50 buck better off
not to...