Re: Any advise with my new home care agency? 
This is never good!!!
I agree with decreasing your stress level- more like bringing it under subjection. Looking ahead if you get this stressed before actually getting started how will you be able to handle the business ups and down- because there will be some.
Regarding finding a nurse, ask your professor from "comminuty health nursing", seek nurses who are already working in homecare-maybe they wouldn't mind a parttime job or "agency" (higher paying) job.
Never rush!! Or feel rushed!!! Maybe this isn't the time. Everything has it's time and it's season. So don't be afraid of set backs- there maybe more of them to come. I do encourage you to stay patient, longsuffering, determined, committed, and focused on your desires.
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