Your program indicated that some places limit the number of interrogatories, such as 30 in Florida. Does that mean 30-items or does it mean 30-sets of interrogatives with multiple (no specific quantity of) requests?

The rule in Florida says 30 interrogatories, that is 30 separate questions, not 30 sets. That's why it's so important to do your planning BEFORE you start using up your limited (and therefore valuable) discovery tools. Keep studying the course, Tom. You'll do well if you stick with my course.

I was recently reviewing a case very similar to my own where the defedate invoked rule 26 and they responded with

Party has a obiligation to make a reasonable and good faith effort to obtain requested information EXCEPT WHERE IT IS EQUALLY AVAILBLE TO THE PROPOUNDING PARTY.

code of civil procedure 2030-220 subd (c)

The also responded further by stating objection irrelevant to subject matter of this matter and information sought is not reasonably calculated to lead to the discovery of admissible evidence code of civil procedure 2017.010

What type of rebuttal can be asserted here?

Thanks for your help.

No rebuttal. PLEASE study the tutorial on Discovery, where you will find the answer is a Motion to Compel. Many users are just watching the Video Seminar and going no deeper. If you are serious about winning, study ALL of the course. It's all there for you. You can always "expect" foot-dragging from the other side. Knowing what to do about it is key. So get in the Course and keep learning, please.

Thank. You for the follow up