From dollar stores to several stores sharing one, what drives what happens to former Rite Aids?

CAMP HILL, Pa. (WHTM) -- Three years ago, at the busy intersection of Market and 32nd Street here, CVS and Rite Aid faced off across the street from each other. First, CVS -- never mind the company's better overall health -- closed. Then Rite Aid (eventually along with all the chain's others) closed. Friday morning, [...]