Not being funny but Yiu e bought a 10 year old Audi. Any car 10 years or older will need work. The list of brakes, cambelt, tyres is all routine maintenance. No matter how cheap a German car is to buy, parts are always expensive.
Flywheel more unusual, but dpf and egr cooler issues are well documented on vag cars. But as you've had them blanked out they should no longer be a problem.