If you find you're unable to get something right away due to your credit or income situation, you may still be able to acquire your first place creatively via a lease/option, seller financing or buying a place 'subject-to' the existing financing, plus there's always hard or private money however either of the last two would require having 'take-out' financing lined up in advance, which might be a stumbling block.

I have a limited amount of time to access the property.

Even if you don't plan to do any of the work yourself, it provides a quick and accessible overview of the issues you can anticipate needing to address.

I like the search features: https://www.biggerpockets.com/searchAlerts can be really helpful too: http://www.biggerpockets.com/alertsThere are a few self-contained guides that you can access here: https://www.biggerpockets.com/guides

Side of porch has a wooden hinged door that allows someone to “crouch” for access.

Thanks Nathan;I've started to create a marketing plan to Realtors and have access to a database of active agents in my area.

Will they try to block.

What you really need is a way to get access to the MLS, which is protected.

It only exists when accessed through sale of property or refinancing to remove.

Real estate agents and appraisers have access to their local MLS (Multiple Listing Service) and can pull all the recent sales data for a particular area.