imo, altcoin is a very interesting way to make profit, but you have to analyze and research carefully to make an investment. If not, you just throw your money thru the window. /insert stonks meme/
Totally agree 
do you have any specific standard that when the project meets that standard, you know they are trust worthy? Mine is a little bit unclear
i search for the information about the project, read their white paper. Based on how much the information "make sense" to me. I will make decision.