One of the things about Fundies is that, if you PASS, you have demonstrated a degree of control in the water, and tolerance of task loading, and maintenance of situational awareness, that most other agencies do not expect of their entry level divers. Even if you go on to Cave 1 or Tech 1 equivalent with another agency, you will be ahead of the curve.
Money spent on Fundies is almost never misspent, IMO.
I agree 100% with Lynne. My original Fundamentals course was $750 which included my share of the costs to get the instructor to our locale. Absolutely the best value I have ever received for any training for anything.....including graduate school....