Generally I'd say no, but if properly executed with some of the above ideas it's not a mistake. Be alpha in your own way.
If you're taking her to dinner because you *really want her* compared to other girls, you're making a mistake. If you're taking her to dinner because that's what you do, reassess your previous dinner dates, and if it's working, your fine. If it's not working, reconsider your execution and, if needed, your dinner strategy.
Only you know if it's a mistake, be honest with yourself.
If you're taking her to dinner because you *really want her* compared to other girls, you're making a mistake. If you're taking her to dinner because that's what you do, reassess your previous dinner dates, and if it's working, your fine. If it's not working, reconsider your execution and, if needed, your dinner strategy.
Only you know if it's a mistake, be honest with yourself.
“Until you make the unconscious conscious, it will direct your life and you will call it fate.”