Perhaps slightly higher from an alternative lender but definitely not from a credit union and expect much higher fees.

1.7 % of Loan Amount (Points) - $6,035underwriting fees - $1,400Are the above fees reasonable or not for refinancing a mortgage?

I'm looking at it on my rental software and there is also a fee for it which is the main deterrent for me currently.

I’m considering having a lawyer send them a certified letter, though I know that will still come with a significant fee, which is still preferable to full service.

That is a cheap pet fee and good cancellation. 

I have bought notes based on bank saving time legal fees and property damage during the foreclosure process, if you were buying residential paper I would look at the foreclosure timing first if it is like Wisconsin you can get the banks attention if it a very fast moving process like I am told florida is note purchass can be difficult

If you purchased this property with conventional financing, then as already mentioned 12 months is needed to pull cash out. 

We’re open to offering a consulting fee or hiring for this expertise.Any advice, resources, or referrals are greatly appreciated!

Been doing a ton of research on REI over the past few months and am ready to pull the trigger next year.

You will get away from income taxes and annual registration fees by going to the townships, but your property taxes skyrocket which may offset some of the rent increases.