ALL PR2 RACERS AND RATERS, RATE 5 for AWESOME ART and/or HARDCORE TRACK. Rate 1 if it has crappy art, and not good enough work on course. rate 2-4 if it has ok art and avg map work and yeah.
game is easy for 2 shops in 2 days (nice though) get pet shop or the other one put a bench near it and a news stand front of the shop :) you get bonus 1K after that day :)