Bathroom with water damage, how to remove the mold

The Facts
Sometimes it can happen that a little mold can grow on your bathroom wall because you didn’t open the window for a very long time.
Now many specialists will frighten you that you are about to die and will charge you an exorbitant rate to remove the mold.
They will then come in wearing those space suits which we have seen grave diggers of coronavirus donning lately. They will spray some secret concoction on the walls and then paint over it with some mold resistant paint. Now, is this something you can do for yourself? Absolutely. But first let’s examine the causes of mold and then the remedies.