For months, we've read stories about the cost of living crunch for renters and mortgage holders trying to pay off the family home as the pain of 10 straight interest rate hikes hits hard.

But a landlord who has multiple mortgages on his 12 properties says his property portfolio has also become unaffordable and wants to share the reality and consequences of the recent rate rises and how they are squeezing landlords.

Steve* – who doesn't want to be identified – is a retired businessman in his 70s who expected his dozen properties to fund his retirement in lieu of superannuation.

"We are really struggling financially," Steve told 9news.com.au.

READ MORE: What is the fixed rate mortgage cliff, and how is it going to impact the Australian economy?

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