Last I heard, they were planning to expand - as far as I can tell they cannot handle their current workload.The tenant can complain about a problem for months before it is fixed.

It broke day 1, it was fixed day 1, here’s a bill for 75% of what I paid to handle it myself. 

Market might be competitive but there is angles to stand out depending on what you are comfortable and able to handle, such as waiving an appraisal contingency, limitng inspection rights and time frames, closing time frames, allowing seller to stay-post closing, taking on difficult tenants, buying properties that might need repairs, etc.

I could easily train virtual assistants to handle these payments and have an app created for encrypting sensitive data for facilitating the transactions through financial service partners from my main line of business.

Are there any cost-effective ways to handle this situation legally?

Must be able to handle all typical investor transactions (assignments, wraps, lease/options, etc.).

The most important thing is to know the details of your local program like the back of your hand, then look for loopholes.Just to give you and the other BP'ers a deeper handle on why some TDR programs work and some don't, I just uploaded an excellent study on the topic to my FilePlace at http://www.biggerpockets.com/files/user/ChrisNewma...

How to Handle Project Changes?

The appraisals are handled by a third party appraisal management company.

If you decide to pursue this option be sure to EXPLICITLY spell out how the maintenance of the buildings will be handled as these types of facilities tend to be hard on property from my experience.