He must be aware of the basic matters regarding composition and layout.
A well-made leaflet will certainly have a better effect than a short, ugly one. A lot also depends on the printing house and the selection of paper and the type of printing.A leaflet looks better on shiny and smooth paper than on a torn parchment. The type of paint and the method of printing is also not insignificant, and its selection is best entrusted to a specialist in this topic or to pass on a printing company that has extensive experience with each type of orders.
Imagine that we buy a monitor and its input does not match our video card, even though it has the same type.That's why certain standards apply. In polygraphy and graphics, such standards also exist - appropriate definitions of CMYK colors - key for the appropriate color reproduction. Specified in advance formats for printing leaflets and business cards, so that they are comfortable and as uniform as possible.
Without standards, even leaflets could be completely unreadable and even repulsive.
In this case, the paper purchased by the customer can be delivered to the address indicated by him.