Only replace the rotors if there is a 'lip' on the outside edge showing that you have worn off a lot of the rotor. New pads on all 4 is easy, just make sure you get OEM for the rear so they won't squeal.
ABS is probably for a repairable ABS module. Less than $100, fairly easy to take off and put back on.
Tie rods? Let your mechanic do that, it is an easy job.
Timimg belt, water pump and rollers? Again, your mechanic is the easiest but it will cost about $400 in labor. It is time for a new water pump and new antifreeze.
This way, you don't have to worry that your kids will be driving a crushable car.
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Keeping it running is better than buying new
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