With a little effort, a few classes and a lot of time practising and researching the archives of these forums you can easily become very proficient in stain removal. Learn how to do spot dyieng and bonded inserts to complete your mission to having a solution for just about anything thrown at you.
It is quite common in my experience that one particular stain is the often primary reason a customer decides to get their carpets cleaned. If you can perform miracles you will soon have a great, growing and loyal following among the general public, Insurance Companys, Carpet stores and Moving companys and commercial property managers.
Pass it by ?
Don't bother !
Never pass on an opportunity to perform a miracle !
ps, Oh and start taking digital before and after pictures of your miracles, you'll never regret it.