re: How much does it cost to get rid of an in ground swimming pool?

Back to a grassy land? I'd remove the top 3 feet of concrete (root bearing zone), fill the pool with structural fill dirt for stability in case something is built on it one day, topsoil the top foot, then seed or sod. Just depends on how many yards of fill dirt and topsoil you need, and where you get it from. It would be nice if you had enough room that tandem dump trucks can back right up to the pool, tilt the load up and drop the fill dirt right in it in a matter of seconds, then drive off.

You'll also want to compact the backfilled pool before putting the topsoil down, but no need to compact the topsoil.