I originally began using 1Password when I ran my own business. In this day and age we all have countless logins across a myriad of sites, and at a time when security has never been more important (or more precarious), 1Password helps me keep separate, individual passwords for every single login I own.
I continue to use 1Password personally, and log into the app numerous times every day. I used to use a hard copy notebook, but that method made it too appealing to use simple or easy-to-remember (and easy to hack!) passwords and led to frequent failed logins when I mistyped them. 1Password has kept me more secure and saved me countless hours.