Keep in mind, the GPS trackers may require a monthly / annual fee whether you fly or not.
Have to figure that into the budget.
I use the Loc8tor myself.
They also have a GPS version.
As mentioned above, use DJI to get close and hope you can find it.
No fee, 400' range with it's own tracker, lightweight, and the
batteries last up to 7 months in hibernation and activate when you turn on the tracker.
Better than nothing.
I still may invest in a GPS tracker in the future just in case I do have a fly away, and at least I'll know where it's at.
Whether it will be accessible to retrieve, that's a different story.