Based on my usage, do I need more than one rear remote?

[grandgourmand]

If price sounds high, it's because in Canada things are generally more expensive than they need to be.

 

[check]

If price sounds high, it's because in Canada things are generally more expensive than they need to be.

Plus $1,000 Cdn is only about $750 to $800 US.

 

[Beaver Cove Deere]

Why limit yourself out of the gate? Get the other pair of remotes. When the wind changes direction while blowing you will be thankful for not getting out to manually adjust it.
Life also changes your needs some days as well.