If you continue to purchase for appreciation your money becomes stagnant with no guarantee the economy will allow for this type of appreciation in the future. 

Most likely in the future you will need to sell if not immediately.

It can also be difficult if not impossible to access if needed in the future and can vanish with a market correction.

The more deals I analyzed, the more I refined my spreadsheet, the more accurate my calculations were getting.During and after my first deal I learned a bunch of stuff and further refined my model so my expected outcome would better match reality in the future.

What they cannot do is have 2 additional dogs show up at some point in the future without properly filing notice to the landlord.

You don't plan where is the best place to raise your future family while going on your first date.

Back in January I stumbled upon Bigger Pockets after my wife and I bought a condo out here for use as a future rental property.

My parents plan on buying a place in Naples in the future.

Are you using the future income to figure the cap rate? 

Any e-mails that tenants send with pictures, I will immediately load them into cozy as a maintenance issue, and direct them to use cozy in the future.