There are some manufacturers online that make it k own to their potential customers that the rifles that they see on their websites are not the ideal ones, but the custom rifles. An ideal rifle for example might not come with a rifle scope, to make it a custom rifle; one might need to pay for the rifle scope to be added to it. There are different kinds of rifle scopes with prices ranging from 40 dollars to thousands of dollars. There is surely a difference between buying a quality scope and buying a cheap one as there are so many rifle scopes in the market today.
What you want to use the rifle for will determine the kind of scope you will have to buy. Looking at it, for someone that wants to use his or her rifle for deer hunting, he or she might not have to buy an expensive one. A cheap one that keeps the specifications might do, if it has a low magnification. Also, someone that only uses the rifle, maybe fifty times per year might also opt in for a cheap rifle scope. Your shooting range also can affect the kind of rifle scope that will be suitable for you. Someone shooting under forty or fifty yards might find a $90 rifle scope useful.
Knowing what you want to use the rifle for is a factor that will greatly affect you choice of the rifle when buying. Some people buy or make custom rifles just to keep it as an antique at home. This is why many of the rifles used in the civil war are sold at great prices for people that care to have them at home or as part of their antiques. The history behind those rifles are what stirs many people to buy them at home.