The larger the units the better, acquiring portfolios are most efficient.

You are correct, if all the hard pulls are done within a short period of time it won't hurt your credit. 

@Sean Henry If you have landlord experience you don't need to wait for season period for rental income. 

@Emanuel Vega The period which you can "Shop around" has nothing to do with the lenders.

Depending on the unique facts and circumstances of his case it might be provable that his injury was related to his service, even if it occurred after his period of service.

Has anyone run into issues with this or does there need to be a certain period of time before we can resell?

There can be a ton of paperwork, and some banks can get caught up in bureaucracy, but environmental inspections, appraisals, any other "Phase 1's," etc. are all standard.1 - I'd say 60-90 days is a generous closing period for a property & buyer both with good records and have their ducks in a row.2 - Of course. 

Offer the note for as a down payment on the real estate you desire to own.same as #3, but ask the seller to take back some paper also (if not all of it) this is called "papering out"create a note again on one of your equities - sell the note for a cash discountmake an offer on the property you want subject to a 1031 exchange or subject to an outright sale of another propertyoffer one of your properties for sale with a deep discount (you'll have lots of interest) with an option to buy back in a few years (you get cash and have an option to buy your property back - buyer has your property and cash flow for a period of time plus a great yield on his investment)borrow on your home - use the proceed for cash flow real estatedon't buy - C O N T R O L  the property you want with a skinny contract of sale - with the right to market and possession if it is vacant (do a little work and improvements) offer it for sale at price that will give you a nice profit  - assign your contract for a profit.

The Personal knowledge and Growth that I am acquiring and recognizing along this journey just within this short period of time has become almost an addiction..

the bank has stated i could do a commecial loan for a short period but there would be closing cost.