a REALLY cheap solution for sliding furniture is cardboard. I've slid a fair amount of really heavy , awkward, stuff with cardboard.
Sadly , it seems to work best on carpet. But it will work on concrete too.
The big challenge for the OP at this point is to get some cardboard under it.
Believe it or not. I've used it before. I've moved a lot of stuff by myself using it. And I'm old...
Think Newtonian physics. Friction.. Break the adhesion and keep it moving.
”You cannot invade the mainland United States. There would be a rifle behind each blade of grass.”
~Admiral Isoroku Yamamoto
"DUMP HICKENLOOPER".. my soon to come bumper sticker.