We are buying a house which for some reason put linoleum in the bedrooms. Since we're not putting in carpet right away I was thinking of painting it since it's a girls room. Can you do that? What exactly would I do? Thanks

I plan to install vinyl tiles (18x18, "self-stick" but will use clear adhesive) on a bare concrete floor (2nd floor of condo building). I have patched the biggest cracks in the floor, but it of course is not perfectly smooth. Is there a reason I could not put down the type of foam underlayment used for laminate flooring? I saw some very thin white foam underlayment at Home Depot, no more than 1/8 of an inch thick, maybe thinner. I was thinking, glue the foam underlayment to the cement, then stick the tiles to the foam. My thought is that the foam will help even out any roughness, but it is still thin enough not to cause problems at the seams, and it would provide a nice smooth surface for the tiles to adhere to. I was also thinking that the foam would provide my downstairs neighbors with some sound insulation. If this is do-able, what kind of adhesive would I use to stick the foam to the floor? Am I being silly? If I am, what are my other options? Please don't suggest putting down plywood; I am doing this completely alone, no help at all with lifting, no power tools (partly why I chose vinyl over laminate--you can cut vinyl with a razor blade). How about something I could pour onto the floor to level it, that doesn't cost an arm and a leg? (the foam would cost me about $100 total) TIA for your friendly, helpful replies. Christy in ABQ