To get a beautiful flower design or an arrangement, you don't need to show all of these three. The most important here is that your design has ornamental flowers; you will still get a terrific and an artistic flower arrangement.
Budget Issues: Hiring professionals is often considered expensive but there is also a solution for this issue. If your budget is low then experts can give you the best floral decoration without spending too much in unnecessary things. But, in case of amateur chances are high that your most of the budget get wasted in the purchase of needless items and your decoration gets only satisfactory which you don not want after spending thousands of dollars.