You might have to bite the bullet and pay for them. I'm not sure how far out your renewal date is, but 13 is going to be tough.
There's two components for inexpensive pdhs. One is the seminar fee and travel. But much more important is the hours you need to charge. If you need "live" pdhs and they only occur on Tuesdays, you're either going to need to take time off or bill the hours to education or a project. These hours will greatly exceed any seminar fee.
Our company is somewhat large and sophisticated and we get a budget for training every year, subject to approval. They'd sure appreciate you not using it, but it's there. But I understand that if you're self employed or working for s small place, this might not be available.
It's very tough to keep up, and if the states have live requirements, it becomes a real burden.