It wasn't until I bought my first rental property that I saw that the responsible use of leverage was invaluable to my success.

He collects the data and sends it out to hundreds of different lenders.

The B class rental property map on Vestmap is invaluable. 

Really solid data and they have insane accuracy rates. 

To come up with its list of boomtowns, SmartAsset evaluated data for 500 of the largest U.S. cities.

So if you like to use API's or get data in/out using automation  or external tools you can't, at least not through an API. 

@Kwame EssiehYou may be required to report an increase in taxable income if you sell appreciated stocks.You may want to see if you have stocks that both depreciated and appreciated in value so the net income aspect is close to $0Best of luck

Do you know where I could find rental collection data? 

My inventory has doubled in value in 20 months.The thing is, it doesn't matter why or what happens.

You will gain invaluable knowledge for the time down the road when/if you have scaled up in size and want to turn your portfolio over to a management company on how you want things to be done.