It is illegal to discriminate against a tenant based on their source of income so I would advise against even mentioning this in any way shape or form.Are you qualified to purchase expensive RE?

How much of is it qualified?

A qualified professional appraiser will generate a comprehensive analysis considering factors such as sales comparisons, highest and best use, market conditions, and income generated following Uniform Standards of Professional Appraisal Practice guidelines.

Both side said that my DTI was too high and I wasn't qualify to borrow.

Unless you are living in the triplex your property will not qualify for the credit.2.

@David N.there are some  lenders that  can go to 90% ltv on vacation home purchase  (  .....benefit on rental prop purchase is that you can use  a portion of the new property rental income to help with qualifying if needed ...pricing is similar for  2nd homes and rental properties 

Typically, the deal has to pencil out with conservative numbers in order to qualify. 

Not qualified for any public/non-profit assistance.Am I able to run traffic to this offer legally?

A couple hours after I approved their application, another person that actually does qualify and has all funds available now applied.

If not, that's my recommendation.Some of your improvements may qualify for depreciation in addition to your building value depending on the scenario.