The driver has to be trustworthy which is very rare. It also difficult to drivers if one leave your jobs. Drivers hardly stay at one place for a long time .More and More cars are getting attached nowadays . This means more availability of cars and less number of ride to us. With their highly competitive rates of 6km sometimes it's difficult to earn money if the rides are too small. This is disadvantages because drivers tend to book rides from their own phone and ola keeps track for everything.