There is some confusion on what Real Photo postcards are and how to identify them. Real Photo postcards are Black and White photographs that are reproduced by actually developing them onto photographic.
Rubbing Alcohol as Hairspray Remover - lift off hair-spray residue from bathroom walls. Spray mixture 1 part rubbing alcohol, 2 parts water, dash of dishwashing liquid onto vinyl wallpaper or semigloss (not flat) paint.
Cleaning Those Nasty Stove Burners! Seal each burner pan in a Ziploc bag with just a splash of ammonia poured into each. Use a paste of baking soda and hydrogen peroxide to rub off the last little bits of gunk.