Shane Channing worries another rental increase might leave him and his two dogs homeless.

He has lived in his apartment in Whyalla, about 385 km from Adelaide for about five years while receiving welfare payments.

"I understand a lot of people are worse off than me and most people these days are struggling with the rising cost of living, it's very disruptive to my life and doesn't help my mental health," Channing told 9news.com.au.

"The worst thing is being uncertain if it will rise again next year."

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