While the co-signers add some security, the family’s newness to the U.S. and uncertain job situation make them a higher risk overall. 

Not nearly enough for a gut job or to cherry it out.

They are billed as "a scientific approach to single-family rentals" and use "institutional grade property management," which usually means they are a tech company in real estate and likely either don't have the existing property management relationships in each area or you chose an area where they don't have enough units through Roofstock for the PM they chose to care.

I called their tech support only to be told they would submit a ticket.

I'm a small business owner and my partner has a corporate job. 

That is the issue I am having now as my wife and I have great paying jobs and just cleared all our debt.

If they have excellent credit, great job history, great references and you met them and got a good feel. 

You should take a job for the education and not the money.

Ive tried to get a steady job to steady income and fox credit but thay hasnt worked out.Can I not get acceas to my Equity without these issies being solved or are there other avenues to acesss my equity funds to statt buying properties?

Brandon Turner does a great job going over different strategies in his book "Invest in Real Estate with No (or little) Money Down".