focus on ratings - esp core ratings/potential for the position and for your system
in fact, you can get some bargains if others focus on stars - dont think you must get 2 star players - a no star with better ratings and potential is better
be flexible - not every player will be great in all cats - at that level guys will have flaws - find guys who can really help in at least SOME ways and you can build a good roster. Its okay to have one guy who can rebound, play defense, has good athletic but has totally awful LP.....let someone else shoot....
boosters hardly ever help
schedule weak but not SIMs with very rare exceptions