Please if some one could advise me

Good day I took my isuzu kb250 there on the 1 September 2022 for an engine overall. When I got the bakie back it was a reck I took it back on several occasions and problem wasn't solved 2 weeks ago I had to replace a new gear box Iin a period of 3 months i had to replace 3 turbos yesterday I took the bakie to a professional and the engine is seized. I do courier services this is my bread and butter now my business is standing and I also have loss of income