Replying to Holy shit look

hey guys im justy begining to inline and im heading up to montreal in a couple of weeks and im taking my inlines with me.. 2 questions..

1. i always see people sliding concrete, do i have to buy like curb wax or will i slide on concrete? this may sound stupid but i just want ot know.

2. what are some fun objects/ spots ill probly find in a city that would be god for a beginner like myself?

thanks.