All collectors have two basic things in common irrespective of their speciality, namely an interest in their subject and a love of collecting.
Many a collection started from humble beginnings from the toys and presents we were given as children. This is particularly true in the fields of coins, stamps, comic books, doll and train collecting. The collection exists almost before the collector knows, or acknowledges it.
Irrespective of how a collection starts, the most important thing is to combine the urge to collect with your personal taste. Think about the practical aspects before committing yourself to a subject, namely the space, time and money available. If you live in a small flat or house, there is little point, even if you are wealthy, in collecting large Tudor oak furniture. Similarly if you have limited finances, rare and expensive jade ornaments are not for you.