TomTop offers the Abody 3 Fold 84" Portable Massage Table for $77.99 with free shipping. Outside of the mentions below, that's the lowest price we could find for such a table by $8. It's fully adjustable and holds up to 550-lbs.

Some close prices: Shocwo2015 via eBay has it for $79.11 with free shipping, while Amazon has it for $79.69 with free shipping>.