I would say , different , rather than harder.
I would also say it is more expensive , and that a larger spectrum of skills is needed.
Carpet cleaning on its own I would think would be almost impossible to make a living from for a new starter.
Someone investing in ,, leather cleaning ,, leather repair,, upholstery cleaning ,, fire and flood clean up , drying, carpet repair, EOT cleaning, bonnet buffing , curtain cleaning, etc would stand a much greater chance of success.
Making a living , I define as , £2000 a month after tax , plus a car , phone, a meal out a week and home electric bill paid.