Well, if you plan on doing a good bit of soloing, I would actually recommend keeping flares, otherwise your single target attack chain is a touch weaker. But if you team alot, it's certainly skippable.
I like aim, and I wouldn't skip it, but I see many people do without to much issue, so your mileage may vary.
For traps, the skippable stuff is Triage Beacon and Time Bomb. Triage Beacon is pretty weak, and I only recommend taking it if there is nothing else decent that you want to take. It's not terrible in some *specific* situations, but overall it's pretty unnecessary.
Time bomb is just terrible. One of the worst powers in the game.
Triage Beacon shines in a high recharge build when you can get 2 of them out. However even if you go the route of high recharge rather than fully soft-capping your defense's Fire/Trap is one of the combo's I'd still suggest skipping it, since your dealing such high damage. I'd pretty much echo Candlestick. Skip Triage, Time Bomb, maybe Aim.
Questions:
- How much you looking to spend?
- Whats your playstyle? (would you rather have good offense w/ great defense) or (less defense for more Offense)
what can you skip. From fire thinking flares and snipe and maybe aim . Was thinking of taking all traps for fun but didnt want to totaly gimp toon. Any posted builds will be helpful . TY