For the DIY'er, vinyl liner kits are available for purchase online...and for cheap! Someone building their own vinyl liner pool can probably do so for under $20,000. Base vinyl liner packages from most pool builders typically cost $25,000-$35,000 while turn-key vinyl liner packages will typically cost $35,000-$55,000. Now let's take a look at how much it costs to own each type of pool over time.