I’m 58, rent a part of my house, have a physical job with ‘serious aches and pains’ and want to retire. Can I?

Dear MarketWatch, 

I have a very physical job and have been doing this kind of work my whole life. Unfortunately, serious aches and pains are the norm. I am hoping to retire.

Fortunately, I have been working in the public sector for the last 28 years and will be getting a pension. Here are the details: my monthly pension will be approximately…