It sounds like the sale was this past weekend, not next weekend. Oh,
well. I looked in the on-line catalog, and the only saws similar to
the ones described were tile saws, and none were $49.95.
The motor speed may not be the blade speed, depending upon whether the
saw is direct drive (probably) or belt and arbor. Most inexpensive
saws are direct drive, like a portable circular saw.
Ted