Staying for a couple weeks and needed to go grocery shopping for our hotel. I parked and left my vehicle running and locked sith my dog inside with air condition this morning. As I began to walk into the store I noticed.a homeless man staring at my vehicle like I look at a candy bar when I can't have one. I asked the security guard at the front door if he thought it was safe where I parked and he agreed that maybe I should move it closer so he could keep an eye out. I then went on the store and thanked him as I entered. I got weary when I noticed he was on his cell phone typing intently and then as I looked his way je looked back at me in the produce area and returned typing on his phone. I was extremely uncomfortable with the area, with my dog in my running vehicle, and the curious behavior (lack of professional work ethic) of the guard. I just grabbed my bag and left. I just had an Eerie feeling and I needed to go.