I would appreciate any information, that anyone has to offer and I would most appreciate the information that can prevent me from making the costly, sometime common mistakes.Thanks,

It could work, but you're just fishing hoping someone will bite.Be sure to offer something of value on your ads. 

Are there mortgage lenders out there willing to offer loans to people with 7-8 mortgages on their name?

That way he can go back to them and say "I have a potential buyer willing to offer in the X to Y range, who might be interested in your property". 

We haven't discussed a down payment yet but I intended to offer her work (via my uncle) if anything at all instead of money, she seems pretty motivated to just walk away for the debt she owes.

Visit both and see what they have to offer.

Real estate investing is not just a matter of making money but of giving someone a decent home to live whether they are buying or renting so do your best to offer something of value and remember buyers are investors too and renters have rights. 

You could pass on the cost of the Water Sewer and Garbage to the tenant and pick up another 2,880 or bring your cash flow to 3,569 for the year.If I was going to offer on this property with out walking it and really seeing what needs to be replaced and fixed prior to raising rent to command the higher end of rent I would offer in the 160,000 range for this property, but that is me and I am not you, so you need to really look at all of the numbers and calculate what your price for the property is and what it is listed at has no bearing on that decision. 

What would be good % to offer?

Not birddogging, but if they might want to offer on something and don't have time to drive there, take pictures, etc.Primary goals - building capital, learning the smart way to invest from a master ( I already know stupid as Michael Gerber put it).