Depends how much you can get them for and how much you can sell them on for. The best thing to do is get the big name balls, people will pay good money for decent Golf balls.
Callaway make their own golf balls.
The dimples make golf balls aerodynamic.
There are companies that make golf balls. However, they do not sell anything to make golf balls. If you meant golf ball marker, these can be found in local stores, such as Target, or online at Amazon.
There are many companies that manufacture golf balls like Callaway, Taylormade, Bridgestone, NikeGolf and Titleist.
The makers of the Pro V1 golf balls claim that their golf balls are the '#1 ball in golf'. They claim that it delivers great distance, consistent flight, great green control and that they last longer.
There is no longer elastic bands in golf balls.
Custom golf balls can be made with the help of several design stores and websites. Golfballs, the "online leader in golf customization" is perhaps the best source for custom golf balls and is a great website to check first.
No, that will make the golf ball slippery and hard to play with.
Don't know what your source is for that but it is incorrect. Mens and womens golf balls are the same size. The maximum diameter of a golf ball is 1.68 inches, most manufacturers make them to that size.
They make the ball aerodynamic and allow the ball to fly.