i understand you spend some money in when you buy it because the previous owner didnt. but its permanent since 2 month now.
Did you not spend time checking it over before you bought it?...a badly maintained car is usually obvious...unless you bought it from a scam dealer...it's an old car that has a complex system thats been well documentated on here and everywhere else for being a nightmare...it's not for you at your level of mechanical ability...blunt I know but there you go...