Perhaps the most typical bird-dogging job is to go to a property the investor is already interested in and to take photos or video of the exterior of the property to send to the investor. 

See http://www.consumer.ftc.gov/media/video-0077-credi...5.

The condo was a dump, but I put granite counter tops in the kitchen, watched youtube videos on how to install tile and backsplashes.

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Photos: (see next post)Video: https://www.youtube.com/watch?

I watched a video once about bad actors who got their comeuppance, and it featured this "paycheck cashing business business owner" of the lowest character.

I would listen to a few of his deal analysis YouTube videos to get a feel for what types of deals are out there in Denver right now, and the reason why it works for that particular investor(s). 

Watch YouTube videos.

Hi,I am looking for ways to descale whole house plumbing to get better water pressure on tabs throughout the house.A lot of DIY videos I saw talks about pouring about 2 gallons of vinegar in the water heater and leaving them in the pipes overnight before flushing the next morning.

I would still recommend doing a physical walk through for any property you plan on purchasing (maybe during the inspection) just so you can double check what has been told to you and what you've seen in photos/videos.