This is the same story everywhere...

I hunt in this neighborhood with houses that range from $700k to 15 million dollars and skillfully plop my fat butt in their back yards without them knowing.
Now before everyone starts typing about trespassing...
In NH to be considered trespassing the owner(s) of the land must post a sign each and every 50' along the whole property line, with signing it and dating it EVERY year.
Also you must be 300' away from dwellings, 500' away from municipal buildings and only 15' off of roads, this does not include interstate highways.
And of course you can not hunt median strips between highways - dah!

Tiny little loop holes can benefit you once in awhile!!!!
What they can't see won't hurt them.