the BEST part of the Provari is this- (from the Provape website):
-Standard Service Repair Costs-
Replace Window and screws- $10.00
Replace Tube - $40.00
Replace Circuit Board - $65.00
Upgrade to V2 - $20.00
Replace plastic pushbutton - $5.00
Repairs to the circuit board - $25.00
Cleaning - $10.00
Replace top cap - $15.00
Broken Cartomizer Service - $10.00
Return shipping within the USA - $5.00
Return shipping International ~$39.00
...you don't see this in the Zmax descriptions
-Standard Service Repair Costs-
Replace Window and screws- $10.00
Replace Tube - $40.00
Replace Circuit Board - $65.00
Upgrade to V2 - $20.00
Replace plastic pushbutton - $5.00
Repairs to the circuit board - $25.00
Cleaning - $10.00
Replace top cap - $15.00
Broken Cartomizer Service - $10.00
Return shipping within the USA - $5.00
Return shipping International ~$39.00
...you don't see this in the Zmax descriptions