It sounds as if everyone over 55 is struggling with the complications of wrestling with weighty packets and tightly sealed bottles and complicated purchasing decisions......!
Yes, this is what I inferred from the questions.
in your mid-50s you might still have teenage DC at home, and would therefore be doing family laundry in much the same way as when a decade or more younger.
Yup, that's us
Was the income supposed to be my own, or the household? I too wondered that - I put mine in the end, but most of these things that want to categorise you by income, like to categorise you by household income, so I might have got it wrong.
I sort my laundry, but by temperature and creasing, not colour...no option for that.
Yup, well temperature based on how 'dirty' or 'clean' the wash is - if it needs a quick swish through or a thorough, hotter, longer wash.
and finally.... 
There is not option for '4 or 5 times a week' in terms of how often you do a wash.
Apart from that, it was easy 