Alternatives may include such measures as in-store assistance for removing articles from inaccessible shelves, home delivery of groceries, or coming to the door to receive or return dry cleaning.
For additional information, take a look at the following resources:
FAQ: What does the term “readily achievable” mean?
FAQ: How is “readily achievable” determined in a multi site business?
Fact Sheet: Small Business and ADA Readily Achievable Requirements