Time for a new timing belt and water pump?

This guy went 307K before changing the original belt and water pump.

https://www.tacomaworld.com/threads/timing-belt-time.232589/


Alpha tire quoted $800.

Kits here:

http://www.ebay.com/itm/180729034728

http://www.ebay.com/itm/190521450224

http://tinyurl.com/zynmljt

$119 http://tinyurl.com/qjysp7r


$1400 quote here:

https://www.tacomaworld.com/threads/timing-belt-water-pump-replacement-sticker-shock.332342/

My Toyota dealer did the timing belt for $380 total, and quoted another $280 to do the water pump and thermostat.