text: One reason, why these classes from home is a bad idea, is that classes are expensive .If the students receive classes in home, then the parents need to pay it for private teachers, and buy appropriate tools that the students can use, for receive a appropriate class .This classes are more expensive than classes in schools, and parents can save more money, to future university by their child .For example,students can attend to public schools ,and they don't need to pay anything for receive this classes .Also,the schools have a capacity teacher, and good classes that they can choose .The monetary problems, is one of the factors why classes from home is a bad idea.