You get what you pay for!
Suggest you read
Solidoodle Tips | 3D Printing with the Solidoodle 2
Ian Johnson is very knowledgeable
although specific to Solidoodle -- a lot can be applied to all extruder type printers
The Solidform
SoliForum - 3D Printing Community
also has a lot of information
Ordbot Hadron info at
buildlog.net ? View forum - ORD Bot
Have Phun
Ray