I used the 75% rule on the income and added it and my DTI without the rental goes from 24% to 38%.Or does it just allow me to just take the net profit of that rental and add it to my rental? 

-To your success, Zach Lemaster, CEO Rent To Retirement---https://www.biggerpockets.com/business/page/3497https://www.biggerpockets.com/users/ZacharyCole/referenceshttps://www.biggerpockets.com/forums/92/topics/765347-rent-to-retirement-reviewhttps://www.biggerpockets.com/forums/92/topics/1116050-a-huge-win-with-cori-from-rent-to-retirementhttps://www.biggerpockets.com/forums/850/topics/895660-my-first-investment-property-an-out-of-state-dealhttps://www.biggerpockets.com/forums/88/topics/1047543-big-profits-from-new-construction-sfr-build-in-cape-coral-flhttps://www.biggerpockets.com/forums/92/topics/983659-first-investment-property-with-rent-to-retirement?

The truth is if your investors have no involvement in the operations, If they just put in money and expect to get a profit, you have created a de facto syndication.2) I see a ton of people who just raise money for the syndication. 

There is way too much risk here and no profit.

Some of these strategies (though not all, and possibly not the most profitable) are the subject of constant discussion on BP. 

The real estate market has shifted dramatically in recent years rising interest rates, evolving buyer and seller expectations, and fluctuating property values are keeping all of us on our toes. For fix-and-flip pros, ...

If your investment is still profitable with the increase, then press ahead.

It outlines profit and losses from rental real estate.

For larger accounts with PMS integrations VRBO is a passthrough and we are the merchant of record. 

The price you pay for being part of the Disney World spoon-feed of guests is that the barrier to entry for profitable STRs (ones that leverage close to or max LTV) is very, very high.