You are on the right forum. We will help as much as we can so fire away. I am also on a GPS-centric forum that would be very beneficial getting going.
Here is a thread on a simple way to start practicing the GCP workflow. It’s not meant for super centimeter-level accuracy, but will get your map pretty close and sometimes more importantly align to each other. Especially if your are doing utility work progress.
…and a support doc from DroneDeploy. If you haven’t already seen it cruise around a little.