I would encourage anybody with an SDIRA to consider switching over to a Checkbook IRA for some of the following reasons:1.

It's a big reason to think about estate planning, trusts, or just selling the house on your own. 

The main reason I ask is because that is significantly below primary residence mortgage rates let alone any investment loans, if you can get rates like that I might need to make some changes on my end hahahTo answer your original question, assuming all else is equal long-term fixed rate debt is valuable. 

Also, newer wholesalers only see about half of their contracts get dispo'd and closed (sometimes less) because of the reason just mentioned or a lack of Buyers to dispo to. 

Bottom line is buy as big as you can reasonably buy once you are out of small multifamily. 

I know in Philadelphia if I had a 2 BR house it would be viewed favorably by tenants who are seeking 2 BR living situations because most inventory will be apartment style living and for this reason would achieve a rent premium.

Negotiating Price: What’s a reasonable offer given the current income and potential for more?

Your lender can restrict your access to that credit for a number of reasons.

If they know you, have spoken to you many times, and you have always been friendly with them, just explain your points, that there is no legal reason to deny your plans, and ask them what you can do to help get it approved.

I've made offers before of "hey, I cant pay you $260k for this property - the most I can pay is $210k given XXX reasons.