Go on youtube and learn about creative financing techniques so you can understand what "tool" to use and how to apply it.

I have been using the BP calculator using real numbers and rules of thumb.

And I want to see what kind of options we have in regards to getting a mortgage (haven't applied for one in 20+ years)We currently live in a Townhouse (it's up to date) ARV is $250k +/- We are looking at Single Family Homes in the area at around $400k.

Rooming houses often have more stringent rules than renting apartments.  

Will you be affected by the new Salem AirBnb rules taking effect in April?

Income Evaluation No of Units Unit Rate Income       2 Bedroom Unit A 1                 650.00                                    650.00           2 Bedroom Unit A 1                 650.00                                    650.00 2 Bedroom Units A 1                 650.00                                    650.00 2 Bedroom Units B 1                 650.00                                    650.00 2 Bedroom Units 1                          -                                               -   3 Bedroom Units B 0                          -                                               -   Garage Units 0                          -                                               -                  -   Storage Units 0                          -                                               -   Laundry Units 0                          -                                               -   Comm Units 0                          -                                               -   Comm Units 0                          -                                               -   Comm Units 0                          -                                               -   Total Monthly Income 5                                    2,600.00 Total Annual Gross                              31,200.00 Total Annual Cost / EBIDTA                                9,911.86 Net Cash Flow (Annual)                              21,288.14 Net ROI 42.39% Monthly Cost of Operation By Landlord By Tenent Monthly Annually Monthly Taxes x                                       137.50             1,650.00   (From Historical Data) Montly Space Rent (MHP)                                                -                            -   N/A Monthly Insurance x                                       100.00             1,200.00 Calc'd Monthly HOA                                                -                            -   Posted Monthly Water/Sewer   X                                       320.00             3,840.00 Estimated Monthly Garbage X                                       160.00             1,920.00 Estimated Monthly Electrical X                                                -                            -   Tennant Monthly Heat/Gaas   X                                                -                            -   Tennant Monthly Other Utes x                                                -                            -   N/A Monthly Yard Maint x                                         20.00                 240.00 Estimated Monthly Maint - Op Ex x                                       260.00             3,120.00 Calc'd - 10% Cap Ex x                                       260.00             3,120.00 Calc'd - 10% Monthly Vacancy x                                       182.00             2,184.00 Calc'd - 7% Screening/Tennant Management x                                         20.00                 240.00 Estimated Monthly Management x                                                -                            -   At Risk - Self Manage MONTHLY OP EXP                                   1,459.50 Total Annual Expenses                                 17,514.00 Total annual Debt Service                                   8,452.36 Net Operating Income NOI                                 13,686.00   Net Income                                       5,233.64 ROI % 10.42% Low/Average CAP Rate (Net Income/Purchase) 2.92% Extremely Low  Cash Flow per Door                                       109.03 Very Low  Tax Assessment  Estimated Expenses - 50% Rule                                       159.50 Conservative Banked Amount - CAP Ex, Repairs, Vacancy                                   8,424.00

He previously applied for a traditional home loan and was denied because it does not meet the secondary market requirements.

I second the 'no' from Andy. 1031 only applies to real property

They did all kinds of crazy stuff back in the day, so I don't rule anything out.

@Javier Pinedo, couple things to consider:Investing inside of an IRA will shelter income/gains from taxes, however that only applies to passive income.