KrisJennerChargesGuestBook230.jpgSince Oct. 31, Kris Jenner has been hitting the press circuit (daytime and nighttime talk shows, interviews) and book launches and appearances to promote her new memoir, All Things Kardashian.

And, of course, she's also been asked about daughter Kim Kardashian's quickie divorce filing. In those conversations, Jenner has declared numerous times that Kim did not make any money off of her August wedding to Kris Humphries.

So, it seems Jenner thinks the Kardashians are in need of some cash! Jenner, who famously can turn anything into a business opportunity (when she found out she had an incontinence issue she contacted Poise to become a spokesperson), invited guests to a book launch at The Darby on Wednesday night -- and charged them for her book!

The New York Post reports that this is against the standard for these events in NYC -- that the books should have been given gratis. But instead, Jenner's camp set up a credit-card machine so guests had to pay for signed copies of her book that Jenner had brought.

"They even had a fanny pack on hand to collect cash, a source told the paper.