This is one of my pet peeves too. I'd even go as far as saying that if they don't post their location, they're not serious.
Another red flag is if they tell you that they're willing to drive two hours to meet you. They're not. No matter what they say, they're not going to show up. Years of experience has taught me this.
If they're not within a 30 minute drive from you, forget it.
By the way, wife and I are in Camarillo, CA. That is northeast of Malibu and next to Ventura. We are seeking a black bull. Send us a message WITH LOCATION if interested.
LOL