There is a tremendous amount of energy around the long term prospects for the Cape. 

Typically seasoning means that the funds have been in a bank account for a set amount of time (usually 60 days), so ANY lender should love that....I thought maybe you meant un-seasoned funds?

Always be cautious of what you charge on things like paint, flooring etc.. most judges will use life expectancy and divide out a pro rated amount you could charge the tenant for excessive damage and not normal wear and tear 

I have been trying to keep an open mind while but I see a good amount of value in long-term rentals of SFH and multi family units.

That could be achieved without spending an inordinate additional amount in cap ex; In fact all I have seen had these items in common1.

Lenders can have different loan options based on the property type and the amount of rehab (if any) required for the project. 

A rider allowing for using your owner-occupied property as a short-term rental for a specific/limited amount of time is very different than an investment property being used as a short or long term rental 100% of the time.Also, telling your home insurance company that you STR your home occasionally does not give you extra coverage for those types of risks, it simply means if your renter burns your home down the insurance company isn't going to immediately deny your claim. 

Down payment amount varies and more you put down the highre you will be in the queue of applicants, also down payment varies per your credit...Dodd Frank IS in play!!

they DONT  these guys are trainers there is huge money in it far more than they could make actually wholesaling .. think about it the amount of properties that can be wholesaled is quite small actually very very narrow real estate nicheThe amount of dreamers who want to  make money wholesaling and then buy rentals then retire ( this is a common theme among those who start the wholesaling gig). 

Line of Credits (like HELOCS) allows access to a set amount of money up to a pre-determined limit and it is revolving.