How much experience do you have betting on tennis? With the 2018 season/Australian Open approaching i'm thinking of trying my hand at gambling a bit, since i already watch most of the matches anyways! Any tips for me? 
Quite a lot. I am usually choosing handicaps on the tennis matches because odds for win are really small. I have best results on ATP 1000 & ATP 500 tournaments. That extra set or two on grand slams is really a problem when playing handicaps. The player will often just let go of set after losing a serve or two and concentrate for next set. I will for sure put some tips when draw is made.
General advice is to be extra careful in first rounds of Australian open. It is first big tournament of the year and we have yet to see what form will the players bring to the pitch. Not to mention there is a lot of forfeits because lower ranked (50-150) injured players come to take hefty check for participation.