He says Frog systems usually cost a few hundred dollars to install, and need new cartridges each year to keep running. Not all aboveground and semi-inground pools need to be round. Levine says ...

Royal Swimming Pools sells inground, semi-inground and ... kits are designed to be installed by you or a contractor you hire. How much does an inground pool cost from Royal Swimming Pools?

What Type of Inground Pool ... municipality to put in a pool. It can cost from $25 or so dollars to a few thousand, depending on the size and complexity of your pool installation.