I am looking at two duplexes that are in good condition and seller is motivated. I am a real estate agent and looking for best type of financing to buy these duplexes. 

What do you suggest ?

Are the rented or vacant? Do they need repairs or turn key? Of course you can get conventional loans, seller financing, private loans or HML if they need work.

If you aren't going to live in them and you don't have anyone interested in friends & family loans, I would shop around rates for investment property loans.  If you need help with down payment and/or emergency fund, think about a HLOC line of credit on your primary.  Brandon wrote a book on this topic, it has a lot of ideas.