From what I read its still a little unclear - I dont see them saying it would effect first time home buyers it just says “any new customer”.

search unusual combinations of terms)Underwriter must make sound decisions on loans regarding the creditworthiness of borrowers while working closely with Retail MLO, and operations staff.Desired Skills, Experience, Or EducationOur ideal candidate will possess; Minimum of 4 years’ current conventional and government underwriting experience in a wholesale or retail environmentDE / SARS / LAPP designation preferredCurrent knowledge of RESPA and MDIA regulationsStrong knowledge in “A” Paper, FNMA/FHLM; FHA/VA programs beneficialProficiency with MS Excel, MS Word, Desktop Underwriter, Loan Prospector, and Calyx Point.2 years AUS experience.Working knowledge of “Empower” is a plusDemonstrate high volume productivity.Must be detail oriented, organized and work efficiently under pressure.Excellent written and oral communication skills.Strong organizational and analytical skills.Demonstrate an OUTSTANDING level of customer service skills.Work independently and be “self-motivated”.Stearns Lending is an equal housing lender and is licensed to conduct business in 49 states and the District of Columbia.

You'll find it's faster and easier to rent and you have a better pick of tenants who apply.Obviously that only goes so far, you don't want to "over improve" and spend money on things that you like but tenants won't appreciate or that aren't appropriate for the area.But I do like the idea of spending a little money to be better than the competition in ways that matter to your customers (tenants) so you stand out from the crowd and are in a better negotiating position with those customers.

If you have been a good customer and responsible most will work with you. 

https://www.reuters.com/article/us-jp-morgan-mortgages-credit-exclusive-idUSKCN21T0VU The article also notes "The new credit standards do not apply to JPMorgan’s roughly four million existing mortgage customers, or too low and moderate-income borrowers who qualify for its “Dreamaker” product, which requires a minimum of 3% down payment and 620 credit score".

@Lance LvovskyRE pro under 469 won't matter as most STRs fall under the 7 day or less average period of customer use.280A is the biggest issue here.

NEFAR continues to urge members to follow these best business practices, for the health and safety of their customers, themselves, and our community at large.” 

Thats pure nonsense plain and simple.Show me one other business type where the govt is forcing them to provide their goods/service to the customer for free....

I looked into building my own custom system from the ground up.

Whatever you set that at you can charge the customer per your agency agreement.