I am current using a timer service to "wake up" and iterate over a collection of stored queries. I am considering associating one timer and one query so that each query can have a different refresh time. I hate to ask a quesiton like this, but are timers defined to be fine grained. All the examples are for "the app" to wake up and do "one thing". What if they app had 1000 things to do, each one a timer? What if it we 5000? Is this what timers were designed to do?