I last purchased an obd scanner from this site below and only used it twice to check the engine, I paid $149 to use it only twice, is there a better way to not spend this money?
www.diagmart.com
product type: Autel Maxicheck Pro

Autel Scanner Diagnostic Tools Dealer In USA - DiagMart
DiagMart is an Autel Authorized Dealer In USA, Online Auto Diagnostic Tools, Autel Scanner store. Autel MaxiSys Ultra, MaxiCOM MK808BT Pro, MaxiSys MS906 Pro, MaxiDas DS808S-TS, MaxiDiag MD806 Pro, MaxiCheck MX808S,etc. We offer Vehicle Diagnostic Scanners, TPMS Diagnostic Tools And OBD2...