1) Play rescue *cheap and you can't mess up against noobs*
2) Buy credits
3) Go to the public preset section and hit the popularity tab and then select a clan and a type and build off of it. Like if you don't have Zatman go with Frankie.
5)Never buy rainbow pack.
6)The new cards will go down after 2 Fridays, then go up a little when they are out of the new blood pack.
7) Use the Search Feature