Forgot what coins you should buy before a bull run. What coins will you avoid at all cost?

It seems like everyday someone is shilling their bags. You should buy this or buy that because it has potential to do 10x, 100x and so on.

I want to know what coins to avoid like the plague. Devs who run projects with a bad history. Promoters that shill coins to the high heavens because they are paid to that are real junkers.

Please, save us all from making further mistakes in the future and tell us what the hell to stay away from. Don't forget to give us an explanation.

You will be doing us all a great service. Thank you.