Very convenient and very easy to present when it comes to getting a loan.2) Consolidate into 1 credit card.3) Use Mint or other financial tracking software.  

Maybe I'll just keep it as a reserve for now in case I need to play that card.

Tenants like not having to bring a big roll of quarters or deal with a coin card.

It will take a few months for anything they do to show up on the credit report, and they will have to change their address on file with the credit card companies, etc.Plus, the 800lb gorilla here is that I'm not sure it's legal to pull their credit a second time.

Maybe accepting credit cards for the lower-end renters as well.

Craigslist is just flagging users and ghosting ads call your credit card company and charge back services not received

Personal loan, HELOC on a different property, borrowing from friends and family (not recommended), working a second job, credit cards, or selling some stuff.

i.e. on business cards, logos, etc.?

Leave some cards with them.

They will not drive you around (in Manhattan this means cab or limo) like you are the only card in the rolodex.They will suggest you hit every open house you can for the next month to educate yourself about the market and neighborhoods so they don't waste their valuable deal-closing time... then come back, and get started.2) A good agent is confident.