Vantage West, Southern Arizona’s largest credit union, is working to educate local members and residents about retirement planning through a no-cost, no-obligation seminar to be offered at the Casa Grande Branch in late October.  Seating is limited for “The Three Transitions to Retirement” seminar that will be held from 7:30-8:45 a.m. on Wednesday, October 29 at the Vantage West Casa Grande branch, 2008 E. Florence Blvd.