I find with rescues or selling babies, either way it seems like there is no one even interested for a while, then all of a sudden all kinds of interest. But the times when I have the most people interested is when I have nothing...It comes and goes, could just be a rough spell. I find summer is slower with the chinchillas, could be the heat, or people going on vacation with summer break.
But I would not separate a bonded pair, the right home will come. There is only once I separated (other than male/female pairings those get split) and that was because one of the two girls was evil I tried for 3 months to make her friendly. I had to wear gloves when feeding, Had to get stitches, but her cage mate was sweet as pie and I quickly found her a home. I know the mean girl (I named gertrude would never find a pet home