Usually a Samsung Experience Store or Samsung Service Centre can take a look in house if you have one local which means you wouldn't have to send it off.
Also via using a torch look inside the charging port to see if there's any debris in there.
I wish you all the best with this @navyred
Current Phone ~
Samsung Note 20 Ultra 5G SM-N9860_256Gb SnapDragon 865+
Samsung One Ui 3.1/ Android 11.