Aandar ang kotse kahit luma shocks, the worst that could happen is that parang taxi ang ride ng sasakyan mo.

Basta unahin mo muna yung reliability ng makina. Pag nasira yan dahil sa timing belt issue chances are you are looking at an engine replacement.

Things to replace pagkabii ng lumang kotse:

Timing belt
Other drive belts (alternator, aircon/power steering belt)
Fuel filter
Air filter
Spark plug wires (depende sa condition)
Set of spark plugs
Change oil
Change brake fluid
Change power steering fluid

Tune up by mechanic (sabay mo na sa timing belt replacement)

It should only cost you a few thousand to do that pero mura mo naman nakuha yung sasakyan so nakatipid ka pa rin.