I put the sliders I got from Amazon under there. They are too small, and with 2 people (weak me and strong girl), we could barely move the table 2 inches. I'll have to find something bigger to put underneath.
If the carpet is trash anyway, you could cut it around the feet and remove all but the pieces under each feet.
Now you could jack up one side of the table and put Tri Dollies under the feet, then repeat on the other side.
Tri Dollies are cheap and they roll easy as long as they are on a hard surface. you can get them at Amazon or Home Depot.
https://www.google.com/#q=tri+wheel+dolly