We have a very large amount of equity in all our properties. 

Anything over 2400 feels too large for me. 1500-2000 seems to be sweet spot.   

Meanwhile I am always looking and trying to invest elsewhere.Currently I am looking for:Multi famliy, or single family rentals in or around:Anacortes, WashingtonMount Vernon, WashingtonOak Harbor, WashingtonBellingham, WashingtonVancouver, WashingtonMissoula, MontanaVacation rentals around:Puerto RicoSan Juan Islands, WashingtonI know nothing about, but am very interested in wholesale property as well.My real estate goals are to eventually buy and hold a large apartment complex and  a large amount of vacation rentals.

Try to look at publicly traded real estate developers, they may disclose some similar project budgets, but be aware that doing a project of that scale requires and lot of political connection which may increase or decrease your cost.

THREE OTHER CURVEBALLSThe city of Keene is allowing a large 200+ unit apartment building to be built just off Main Street (which is closer to campus than this property). 

The payments would simply be part of your debt to income ratio when calculating how large a loan you can get. 

To date I've started my journey by reading a number of real estate and investment books and have listened to a large number of BiggerPockets podcasts.

Are you looking to have a few loans out at any given time or are you looking to scale this business?  

When you see the words "buyers premium" you are dealing with an auction.You sent an email, you didn't make an offer... offers in the pre-auction scenario are in writing, accompanied by fully executed terms of sale, a large deposit, and an executed contract.

There are normally intelligent software that exists for what you want, both large and small.