Aggressive intimidating and unprofessional

Called Wimpie AAA ALL APPLIANCES SERVICES to fix gate. He said PC board is blown must be repaired @ Hansa gate motors is probably wet need to dry it out.Takes pc board will let me know the price by afternoon.I called the next day he quote price of R1052 for part labour drying motor. He'll come Monday.He arrives Wednesday new part old couldnt be fixed new price of R1450 I agreed to do an EFT previously within 24 hours for 12 month guarantee. Wimpie replaces pc board says gate is working gives me invoice wants to leave.I ask what about gate motors its not dried out like he said. he said you crazy!I asked wont the board blow again if the motor is wet thats what he told me. He said you need to service gate motors pay an extra R3344. I ask why didnt he give total cost why say use gate when main problem not sorted he becomes intimidating aggressive swearing f...king b..ch. I tell him to get out! I call Conraad the owner. Wimpie pulls out new PC board wires grabs old one from me tries to grabs invoice Screams I must go get the cash now.Gets in his bakkie refuses to hand old pc board becomes more angry I press panic he throws board leaves when response unit arrives. BEWARE DANGEROUS!