Today 

“Writing a Business Plan: Why You Need One and When to Revise it,” 2 to 5 p.m., SCORE Offices, 100 Middle St., Second Floor, East Tower, Portland. Cost: $35 with online registration or $50 at the door, cash or check. For more details, visit www.scoremaine.com or call 772-1147.

TopGun, 5:30 to 8 p.m., Samoset Resort, Rockport. A Maine Center for Enterprise Development annual intensive mentoring and education program for first-time entrepreneurs on building scalable, innovation-based businesses. Email info@midcoastmagnet.com.

“Social Security and Maine’s Future: Keeping the Promise to All Generations,” 5:30 p.m., Hannaford Hall, University of Southern Maine, 88 Bedford St., Portland. Author Nancy Altman, assistant to former Fed Chairman Alan Greenspan, will discuss Social Security issues. Public reception will precede the talk at 5 p.m. Contact: 621-3195.

Final Public Input Meeting for the Gorham East-West Corridor Feasibility Study, 6 to 8 p.m., Westbrook High School Council Chambers. For more details, go to www.gorhamcorridor.org or call Carol Morris at 329-6502.

Wednesday

“Rich States, Poor States: Moving Maine From Rags to Riches,” noon to 1:30 p.m., DiMillo’s, 25 Long Wharf, Portland. Presented by author Jonathan Williams, director of the Tax and Fiscal Policy Task Force of the American Legislative Exchange Council. Cost: $17 for members; $22 for all others. Call Amanda Clark at 321-2550 or email aclark@mainepolicy.org

Penobscot Bay Regional Chamber of Commerce 2011 Business Expo, 3 to 7 p.m., Samoset Resort, Rockport. For more details, visit www.TheRealMaine.com.

Speed Networking, presented by WOW (Women Out Working), 5 to 7 p.m., Bernie’s Place, West Falmouth Crossing, 65 Gray Road, Falmouth. Give a 30-second commercial about your business. Cash bar and free hors d’oeuvres. Call Caryn Treister at 712-2234.

Free home construction loan seminar, 6 p.m., Saco & Biddeford Savings Operations Center, 50 Industrial Park Road, Saco. Consultant Services Inc. owner Ron Russo will speak. Space is limited. Reservations are requested by calling Michelle Prejean at 602-7363 or email prejeanm@sbsavings.com.

Family Finances Seminar, 6:30 to 8:30 p.m., Institute for Financial Literacy, 260 Western Ave., South Portland. Cost is $50. Register by calling 221-3601 or go to www.financiallit.org.

“Yes, You CAN make a living in the Arts!,” illustrated talk by metalsmith and jewelry artist Judith Barker, 7 p.m., Yarmouth Town Hall Community Room. Sponsored by Yarmouth Arts Evening with the Artist series. Free admission and refreshments. Call Anne Tarbox at 829-5567.

Thursday

E2Tech Forum detailing Gov. Paul LePage’s environmental and energy policies in Maine,
7:30 a.m., Hill Mansion, Augusta. Deputy Chief of Staff Kathleen Newman and senior natural resources policy adviser Carlisle McLean will outline the issues and answer audience questions. Breakfast is included. Admission free to E2Tech students, $10 for non-member students, $15 for E2Tech members and $25 for all others. Go to http://e2tech.org for more details.

Friday 

“Buying, Selling, or Holding onto Your Family Business: What is Your Family Business Strategy?,” conference hosted by Maine’s Institute for Family-Owned Business, 8:30 a.m. to 5 p.m., Harraseeket Inn, Freeport. Includes a panel of Maine business experts. Open to the public. To register or for more details, go to www.familybusiness.org or call 780-7935.

Maine Public Relations Council Professional Development Seminar, 8:30 a.m. to 10 a.m., Fireside Inn & Suites, 81 Riverside St., Portland. Portland Press Herald columnist Bill Nemitz will speak. Cost: $20 for MPRC members and $35 for all others. To register, go to www.meprcouncil.org, call 761-4477 or email info@meprcouncil.org.

Chamber After Hours event of the Greater Bridgton Lakes Region Chamber of Commerce, 5 to 7 p.m., Bridgton Community Center, 15 Depot St. Call Brian Thomas at 647-3472.

Friday and Saturday

Women Unlimited sixth annual Maine Tradeswomen’s Conference, featuring a free Career Options Fair, 1 to 5 p.m. Friday, Senator Inn, 284 Western Ave., Augusta, and the main event, 8 a.m. to 4 p.m. Saturday, Capital Area Technical Center (adjacent to Cony High School), Augusta. Registration for the conference is mandatory. Cost: $10. For more details, call (800) 281-5259, email conference@women
unlimited.org or go to www.womenunlimited.org. 

Saturday 

Free workshops for farmers and natural resource-based business owners, 9 a.m. to 3 p.m., Hutchinson Center, 80 Belmont Ave., Belfast. Sponsored by the Knowledge Transfer Alliance at the University of Maine in collaboration with the Hutchinson Center. Presentations include vision setting, time management and Quickbooks. Email Aaron Hoshide at aaron.hoshide@umit.maine.edu or call 659-4808.

Family Finances Seminar, 10 a.m. to noon, Institute for Financial Literacy, 260 Western Ave., South Portland. Cost: $50. To register, call 221-3601 or visit www.financiallit.org.

Upcoming

Small Business Institute, a seven-part series for small-business owners, 4:30 to 
7:30 p.m. Wednesdays, April 6 through June 1, Central Maine Community College, Auburn. Sponsored by CMCC’s Corporate and Community Services Department. Cost is $199, including materials. To register or for more details, call 755-5280 or (800) 891-2002, ext. 280, or go to www.cmcc.edu/training. Register by March 30.