Here are a few tips and tricks for working with Swift:

1- Use optional binding to avoid force unwrapping optionals, which can cause runtime errors. Optional binding lets you safely unwrap an optional value and store it in a temporary constant or variable.

2- Use the guard statement to early exit a function or method when a condition is not met. This can help you avoid deep indentation levels and keep your code clean and readable.

3 - Use the map, filter, and reduce methods on collections to transform and manipulate data in a functional way. These methods are powerful, expressive, and can make your code more concise and elegant.

4 - Use the lazy keyword to create lazy properties, which are only initialized when they are first accessed. This can be useful for optimizing performance and avoiding unnecessary work.

5 - Use the defer keyword to execute code just before a scope is exited, regardless of whether the scope is exited normally or due to an error. This can be useful for cleaning up resources and performing other tasks that need to be done before the current scope ends.

I hope these tips and tricks help you work more effectively with Swift!