Certified Elder Law Attorney Lisa Hostetler Brown knows that many people assume that estate planning is a once-and-done proposition. As the founder of LawyerLisa, a Life Care Planning Law Firm based in Lexington, South Carolina, Lisa sees people every day who are resting on their estate planning laurels. “These people find out the hard way that the documents they created at age 40 don’t necessarily work when you’re 70,” she said.