Answer:
"AFS" in internet comments can have different meanings depending on the context, but some common interpretations include:
"As For Sale": Often used in online marketplaces or forums to indicate that something is being offered for sale.
"Always, Forever, and Seriously": In casual conversations, it can express sincerity or emphasis, like saying "I really mean it."
"Advanced File System": In technical or computing contexts, "AFS" can refer to an advanced or alternative file system, though this is less common in casual comments.
"Automatic Flight System": In aviation or aerospace discussions, it can refer to technology related to flight systems.
Without more context, "As For Sale" is probably the most common meaning in general internet use, especially on platforms like Facebook or Reddit where items might be advertised.