Apart from that, its a great rental with an indefinite supply of tenants.

Make sure you can afford to hold indefinitely as a primary, in case the market is not conducive to selling after a year or two.Any way you slice it, sacrifices will be required ... just a question of which sacrifices. 

Did some more research and I learned that:Carryover losses extend indefinitely until final sale (and can be transferred from property to property if a 1031 is used).

Maybe start by networking at local real estate investment clubs so you can get to know someone before jumping in. Definitely

Going to Attorneys directly, asking them to release confidential client information, will get them disbarred indefinitely.

Lots of hours spent learning and growing prior to diving in definitely helped me.

No matter how prudent you are, the car makes you look bad.If you are young, buy a small new hatch; that looks prudent.

Things like an inspection not happening because the tenant wasn't home, or a transaction coordinator forgetting to respond to emails for a week or indefinitely because of eventually changing jobs mid way through my purchase, were pretty par for the course as well.

Like @Chad U. said it doesn't lead to citizenship but you can renew indefinitely. 

With the 1031 rule, you can essentially “swap up” your properties indefinitely and still benefit from tax deferment.