Whether you’ve decided to freelance part-time or full-time — or most likely the former in the hopes that it will soon become the latter — the surprising truth is that the most important thing in your world right now isn’t customers. It’s cash. Obviously, you’d like (or make that love) to have an influx of customers. But if there’s a bit of a lull — which can happen when you’re starting the freelance journey — you’ll survive if you have enough cash to keep you afloat; at least for a little while. What’s more, you can tap into your reserves…