The RCA ANT-751 is a similar competitor to the CM-2016.
Indoor antennas will have a great deal of trouble if the mobile home is sided with metal. The outdoor antennas will perform best if they are above the roof line by several feet.
Amplifiers and amplified antennas should be avoided, that would be wasted money at this location because there is plenty of signal power in the air already.
If the well is dry and you don't see rain on the horizon, you'll need to dig the hole deeper.