This is a long watch, and I am sure the people that don't want to see what I am saying likely won't watch (especially the one currently still going back and "Falconing" all my posts at this very moment), but this is worth the time.
Particularly starting at about the 4:45 mark, he talks about how the salary cap is merely an accounting mechanism. There are always ways to manipulate that mechanism when you're dealing with a steadily rising cap. The cap is more of an inconvenience than a prohibitory thing. It all boils down to WHO you are giving the money to. Obviously you need to be responsible, but in the end, you can make your payroll work and stretch things further by continuously working from the future, where those future dollars are worth more today than they will be later.
Again though, not frequently acquiring busts is key, no matter what you do or strategy you deploy.