It sounds really interesting how different forum members are giving you expensive pieces of advice. Likewise, some of them are suggesting you to buy a completely new door or some are offering to renovate the house. In my opinion, you should choose an affordable way to repair your garage door.
In this regard, you should investigate that which panel of your door is creating this problem. Yes, it has been seen most of the garage doors create problems because of rust in a single panel. So, you can replace that single panel. Similarly, the dirt or grease in the metal panel of the garage door could also be another reason for such problems. It will be great if you examine this issue on your own. Otherwise, just
hire a handyman from here to get better assistance. These guys can definitely aid you in finding and fixing all kinds of property maintenance issues quickly.
Also, if you haven't fixed a garage door before then don't take any risk and just get the help of a professional.