monorails

Are there expansion track sets that include extra curves, risers, track clips and possibly a pack that has the sloped track? Or does one have to find these used in the auctions?

I can answer this one.
Monorail parts = GOLD! lol
They are either hard to find or cost more than gold!
I was lucky to get a pair of the sloped track from my prevous monorail set purchase.

I saw a pair of used sloped rail on ebay for 70 bucks not including shipping.