Thats why you see those insane figures for some of those builds out there, whether they're your style or not the price tag adds up quick.
I know, it really actually makes me understand why they're asking so much.
Because if you knew you wanted to buy a TJ and you'd end up doing almost all the same mods the previous owner did, it actually makes sense to pay a much higher amount, because you'll end up paying it in the long run anyways if you were to buy a bone stock TJ.
The interesting thing however is that with Wranglers, people seem to be able to get a good amount of money out of them when they sell them for parts they've added on.
It's the opposite with cars like BMWs and such. You can dump 10k into mods on a BMW and it won't amount to an extra dime when you sell it.