All bowling balls do different things on the bowling lane and with different oil patterns and heavy oil on the lanes and very dry lanes, bowling balls is do act different. A heavy oil bowling ball is oil in order for the ball to move and hook in the right way. Try throwing a heavy oil ball on a dry lane. That ball will hook so much that it can be hard to control. This is when you use bowling ball that is built for dry lane so the ball will not hook as much. This is why you need more than one bowling ball.
Having one bowling ball is fine but over time you may want to use something else. Plus dry lane bowling balls do not work well on heavy oil lanes and a heavy oil bowling ball is not work well on dry lanes so that’s when you need another ball this is different than the one you have now.
When the lane starts to break down, one things that you can do is switch to another ball and use that. Sometimes your bowling ball will not hook at all, this is when you ball up or use a stronger bowling ball and when some oil starts to dry up then you can switch the to your first bowling ball that was not hooking before.
If you ball is hooking to much than you need to ball down or use a weaker ball. This is why you need more than one bowling ball and you don’t have to buy a brand new ball, you can buy a used one from https://www.facebook.com/marketplace/ and https://offerup.com/ and these sites have people selling their bowling balls for a good price. Just using one bowling will put a lot of oil and dirt and games on that ball and then you will have to clean that ball more often. If something happens to that ball like it cracks which can happen, then you need to buy another ball.