Till you get the prints in your hands which could take few days, you have no way of looking at the pictures you took. No mater it is your wedding pictures, or the pictures of your baby having his/her first solid meal, or your son taking his first step, you would have to wait to see the pictures.
These days of digital cameras and camera phone, taking pictures and looking at them is instantaneous. You just take the pictures and look at them as you take them. You can take multiple shots of the same picture to make sure you get at least one good quality image. Extra pictures you can delete at your will.
Some who are a bit more into this whole photography thing, they also like to edit or retouch their photos to make them look better. They might want to edit the background, remove the background form the picture, edit the glare, and enhance the color, in other words complete photo retouching to give the picture a LIFE.
Some of these serious photographers are so much into this that they own professional version of photo editing tool and do it themselves. While others are not so technical to operate a photoshop program and hire someone else to do the photo retouching for them.
So how much it costs to avail the services of a photo retouching services provider? A simple photo retouching service can cost you as low as half a dollar depending on what kind of retouching you are looking at. If it a simple image and you require photoshop clipping path to be done on it, then you can get it done for less than a dollar. If it is a model photo and you require professional glamor enhancement to be done in that photo, it can cost you between $5 - $10.
Just look for a photo retouching services provider and ask for a quote. Compare the quotes from 2-3 service providers and see who offers the best deal. You also need to keep in mind that you get what you pay for. Sometime cheapest way is not the best way to go.