Always apply the same standard to all applicants.

Some lenders may not be able to apply or only be able to apply a fraction of the gross rents (if any depending on the lender) to contribute to your Debt-To-Income-Ratio. 

There are specific rules for 1031 exchanges including:The replacement property must be identified within 45 days of transferring the relinquished property.The replacement property must be received within 180 days after the transfer of the relinquished property or the due date of the taxpayer's tax return, whichever is earlier.Special rules apply for exchanges between related parties (defined in § 267(b) or 707(b)(1)).Real property located in the United States and real property located outside the United States are not considered property of like kind.Cost Segregation StudiesA Cost Segregation study is an IRS approved federal income tax tool that increases near term cash flow by utilizing shorter recovery periods for depreciation to accelerate return on investment.

From this page:https://help.pricelabs.co/portal/en/kb/articles/adj Case 2: When to apply a premium on Adjacent Factor?

@Paul Bradyi think it only applies to ultra high net worth individuals - >$100M. 

I am planning on rehabbing a unit in a 3 unit building. The other 2 are done. Just to throw some numbers out there,  If it costs about 45K to rehab and rental income should be about $24000 a year. Is this a CoC metric...

Do you happen to know if the seller-financing piece of Frank-Dodd applies to originating CFDs?

I'm not sure, but I would think that could also apply for when a contract is not consistent with the law.

Basically its no different than applying for any other mortgage, the lender wants to underwrite the loan to confirm your ability to repay.

Just be ready for the challenges of managing properties remotely, which may require a property manager.Tax StrategiesSince you’re selling a primary residence, a 1031 exchange won’t apply, but you can still use the capital gains exclusion.