to whom I can learn how to open business cleaning service ?

Answer 1

Buy a bucket and a bottle of detergent.

Answer 2

There are lots of cleaning franchises on the market. They are supposed to be a good business to go into with small franchise fees. The companies have training programs because they want you to succeed since you are using their name/brand.

Answer 3

You could send either an IM or an E mail to ,,,, [e-mail] ,,,, He had his own business for a long time and knows the ends and outs ,,,, He's a nice guy and likes helping people when or where he can ,,,,, Tell him Yoda sent you ,,, He'll know who you mean ,,,,