Always practixe in an open space. If you can find a soccer field or larger, thats perfect.
Metal objects will attract the drone if it comes to close. Beware.
Pay attention to your RTH settings: altitude and behaviour if lost signal, hover or return. Sometimes, hover is better (are you flying under trees, etc.
Only calibrate compass once. Do not carry metal objects when you do. Stay clear of metal structures for at least 10 meters. Do not calibrate again. If you get compass error at another location, there is probably metal in the ground or other close object. Move, dont recalibrate.
Practice P-mode until youre quite familiar with the controls. You should know how to fly "mirrorwise", if drone looks at you the controls are opposite.
Then, you should practice A mode when theres no wind and you have a large open space to practice. Drone will not brake automatically in A mode.
Pay attention to the manual. You will do great!