The $5 Buy In

[HoldingFolding]

I'm learning on the lowest limit pot limit tables on Party. The maximum buy in is $25, but I see a lot of people buy in for just $5, often repeatedly (so it's not that they don't have the cash online). I would have thought being adequately br'ed in, particularly PL, Omaha, was essential, after all, (and may be it only happens at this level) I've found myself holding the mortal nuts with players betting into me [img]/images/graemlins/grin.gif[/img] plenty of times.

Anyhoo, any idea why they do this?