Prepping for paint after sanding.

My car is currently immobile inside the garage. You guys have any suggestions as far as trying to wipe it down/prep it for paint. I cant just roll it out and wash it down. Just blow it off with compressed air and wipe it down with mineral spirits?

I'm shooting to get my first coat on Friday. Should there be any sanding after the first coat? how much setup time between coats? Its been 95-100* outside lately, garage stays pretty warm, like above, i cant just roll it own and bake it in the sun. thanks