Is there a good cheap build that can kill all or almost all endgame boss?

[LordManhammer]

Now with 4.1 summon necromancer can solo dreamlands but I wouldn't really suggest it cause it's a slow killer to farm and stuff.

What did you use to kill mappo?

[madcow1989]

What did you use to kill mappo?

Possible that it was one of his summoner build thread?
http://annihilus.net/showthread.php?t=9482 > Possible??

All the items just seems like it going to cost a "Note 7"