Stop whining and out the person. She is no longer "reputable". Don't forget, sometimes this becomes a bidding war and Money is not always the medium of exchange. 99% of the time the "excuse" will be a lie anyway.
Once my ATF NCNS, said her GMa's house was on fire. Another time I go to the place and her car was there but she NCNS. I was heart broken bc I just TALKED to her 20 minutes before and she said "sure come on over". Some other SOB had outbid me in 20 fuckin' minutes....FML
MORAL: Don't leave the house without plans A, B, C, D and your smart phone or tablet.