Marketing
Here are some things you can do during lean times to keep your business alive.

"As tempted as you may be to slow or even cut your marketing during uncertain times, it’s actually recommended that you do the opposite. You must work hard to remain top of mind in order to continue to reach, convince, and convert your customers, and during times of famine, that requires additional effort."

Article: Why (and How) You Should Maintain Instead of Cutting Marketing During Uncertain Times