The time it takes to make a profit depends on the market, your start up costs and how much you charge your clients. If the demand is high and you charge a reasonable rate, then you may be able to see a profit within two years.
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Your looking for more of a different hair style rather then a different hair cut. Most beauty salons will have hair style magazines for you to choose from. Bangs will not make the length of your hair any different, nor will layers. Maybe you could try cornrow, partings on different sides ponytails and curls/ straightening your hair. A good start would be to find inspiration in a hair magazine.
you can make your hair grow long by greasing it.
The societal obsession with fashion and perceived ideas of "beauty." This includes media and industries based around beauty such as hair salons, clothing outlets, make-up chains, nail salons, medical spas, etc.
Basically, to make your hair long is to wait for it to grow. If you have curly hair, you can straiten it to make it longer. :D
Salty water does not make your hair grow longer, it dries it out and makes it wavy. Wash your hair straight after you have gotten out of the ocean or pool. There are treatments that you get from salons that will help and trim it now and then, dont let your split ends get bad.
Depends on where you are looking to make a profit. In some cases a profit happens in seconds, while in others a profit never happens.
apples
Hair grows.
You can use a conditioning styling product on your hair to add moisture without having to wash your hair. There are many options available at stores and salons.
Long hair is suppose to make you look more feminine and attractive.
The only way to find a hairdresser to make an ugly hairstyle is to call your local salons. You can also put up an ad in your local newspaper.