If anything it just means that initial newbie tax / buffer is going away. 

Most on this forum can't even come up with a downpayment, you can't expect them to ride HOI/tax increases, vacanices, etc., with lower leverage and less cash flow on a property.

An other advantage of paying with credit card may be that you will not have to send the provider a 1098 tax form (only an issue if the total yearly amount is over $800). 

Knows real estate tax write-offs and how I can best apply them!

Is your DSCR ratio greater than 1-meaning are you cash flowing (according to the lender's criteria of mortgage, property taxes and insurance (and HOA) if applicable).

If you aren't familiar with Baltimore, I would suggest it's a hard no and say that you are trying too hard to make cash flow happen talking Baltimore and tax liens and auctions.

Great hosts will be good neighbors, will contribute to local tourism and will pay their taxes and permit fees* A major area to improve on the proposal is the 1 hour time-limit for resolving complaints.

These are features like online renter payments, tenant portal (for payments and work orders), help keeping track of work orders, tax reporting features, and accounting functionality.

BUT...if you're American and can still get loans in the US (the silver lining of having to still file US income taxes while living abroad), then why not use leverage?   

@Nicole GrazianoI recommend that you have a consultation with a real estate tax accountant regarding your taxes.Bigger Pockets is a great place to find a real estate tax accountant.