Hunt beginning of season and have the one you want located by day 1. Most of the deer are bunched up in a few spots and there location is not a secret. Deer in velvet may look bigger than they actually are.
Somewhat effective. Most any screechy distress coyote call can get deer to come take a look. Deer cannot have any indication you are there or they will go the other way. Typically your bigger buck are less interested than younger bucks and does
280-300" is the standard mature bull. If you find something above that you have done well. Most Bulls in this area have short dagger points. Top end burnt but will not be an concern