Anyone else got this problem.

I always keep location set to Other, but today it keeps resetting itself.
Tried using various other locations, to no avail.

It states Saved once I change it, but still keeps resetting.

I'd guess it is because the sale started. That is always the time for more bugs and strange behaviour. In the next few days everything will probably go back to normal.
(and yes, I have the same problem...)

As Hong Kong Phooey would often state: Could be!