It is more expensive to buy rental/investment properties vs a primary residence (primarily because of interest rates). 

In 1972 the 30 year mortgage interest rate was 7%.

For me it depends on the interest rate. 

I understand they have a little bit higher interest rate, but what are the risks of DSCR loans?

The Fed rate cuts will eventually help bring down mortgage rates.

Birth Rate: The birth rate in Italy has been steadily decreasing.

Overall nationwide cap rates are rising because of interest rate increases.

Of course back then we were getting “screwed” with 6-7% rates.

While less than 10% of the mortgage industry offers 40-year mortgages, here's something to factor in: they often come in with a rate increase of 20-35 bps.Assume 35 bps.$300k mortgage at 7.25% (30-year): $2,046$300k mortgage at 7.6% (40-year): $1,996Technically, it lowers the monthly, but not by much once factoring in the rate adjustment.

Owner occupied united increased by 8.4%"Still, although the overall share of households that rented decreased, the number of rented units increased by over a million units (43.3 million to 44.6 million)."