Every year or so drain and flush the cooling system, use one of those prestone backflush kits and prestone 7 hour flush. Replace the hoses, thermostat and pressure cap with OEM parts. Tune up, stick with stock OEM Champions. Pressure clean the radiator from the back to get all the stuff out of the fins the same way it went in.
Seeing as how you don't appear to be an avid off roader, though you would be amazed at what a 2wd jeep will do with rear locker
, I would wax it twice a year with a good carnuba, scotchguard the interior, keep the floor mats in good shape. Anytime you remove bolts use anti-seize when reassembling. You should also remove the rear spring hanger bolts, the ones in the frame under the rear seats and anti-seize them also. Then in 5 years see if I'm in the market to buy, that way I can move the drivetrain from my 98 over to yours and won't have frozen hanger bolts
Some improvements you can make, replace your stock headlights with Hella 'E' code H4 halogens, big difference in night time lighting, as are a good set of Hella 450 fog lights. Add a contoured bug shield to keep nicks on the hood nose to a minumum. Every 5,000mi or so run a can of Chevron Techron or Valvoline Gold fuel injection cleaner thru it.