pole shed questions

Right now is the brainstorming phase, I'm going to ask so local car guys & then try to come up with a shop that will work for me..
I'm already thinking a dual roof shed with a 12' section --just in case I ever put in a lift (get the funds).
I like the idea of the blown on roof insulation.
I want to have air flow so openings on all 4 sides will be needed(house fan in a side perhaps?)
I will want heat for winter shop time -- but do not want to heat the whole area.
I would like maximum strorage usage-- so shelving & access will be important.