Starting a business is not something that you can do without having first performed your due diligence. Any kind of business endeavor that is worth the effort will also require a fairly large initial investment unless you are going for a more ad hoc type of business that will not require you to put all that much money into it at any given point in time. While ad hoc businesses are worthwhile, suffice it to say that they are not nearly profitable enough to give you a reason to work on them long term in any way, shape or form.
What you need is a type of business that will enable you to earn enough money to actually live off of, and carpet cleaning is one such endeavor that you should definitely do a bit of research about. A big part of the reason why that is the case has to do with the fact that services like Pearland carpet cleaning earn a lot of revenue and checking out their financial documents will show you that this is a very solid business for the most part.
You would mainly be concerned with the numbers that you can look forward to, and to answer your burning question you can likely earn at least $75,000 in straight profit when you run a carpet cleaning business. You can probably earn twice as much as this in revenue, but half of that will go towards the costs of business so you should make sure that you only spend what you can actually afford to. This amount of money is more than enough for the expenses of an average family all in all.