Here are some recommendations for you:Find and connect with other BP members that are in your area: http://www.biggerpockets.com/meetSet up keyword alerts to be notified of the topics that interest you: http://www.biggerpockets.com/alertsRead Beginner’s Guide: http://www.biggerpockets.com/real-estate-investingCheck out BP Podcasts: http://www.biggerpockets.com/renewsblog/category/podcast/If you wish to tag someone in the conversation on the forum, type @ followed by their name and then select the name of that person which should appear below the comments box.

So I need a way to import my full list to a map view (like google maps), and then be able to select just the markers that fall within a few square blocks.   

what type of people need to work with you in real estate investing as real estate investor?especially in choosing the right properties and dealing with investors and give creative ideas

Here are some recommendations for you:Find and connect with other BP members that are in your area: http://www.biggerpockets.com/meetSet up keyword alerts to be notified of the topics that interest you: http://www.biggerpockets.com/alertsRead Beginner’s Guide: http://www.biggerpockets.com/real-estate-investingCheck out BP Podcasts: http://www.biggerpockets.com/renewsblog/category/podcast/If you wish to tag someone in the conversation on the forum, type @ followed by their name and then select the name of that person which should appear below the comments box.

I know that the architect is not interested in providing any more details of what they have in mind without knowing that they will be selected for the job.

For County select Maricopa.

Once piece of advice I have is spend a lot of time when screening and selecting tenants, don't outsource this task.

by looking up the lawyer @Craig Curelop recommended I located several real estate attorneys with ratings at avvo ( I don't recall the rules about posting links and such so you will have to use google to get there and select the real estate category)

Be a sponge and take notes.Once you have selected a target niche and gained knowledge, then bring a deal you have brewing here for experienced investors to analyze. 

Here are some recommendations for you:Find and connect with other BP members that are in your area: http://www.biggerpockets.com/meetSet up keyword alerts to be notified of the topics that interest you: http://www.biggerpockets.com/alertsRead Beginner’s Guide: http://www.biggerpockets.com/real-estate-investingCheck out BP Podcasts: http://www.biggerpockets.com/renewsblog/category/podcast/If you wish to tag someone in the conversation on the forum, type @ followed by their name and then select the name of that person which should appear below the comments box.