Keep track of all the properties you have leased. Follow up with the landlord, see what's on their mind or get in touch with the tenants, new business might be coming your way.
Use the commissions manager to keep track of all the commissions you have received or the ones which are yet to be received. It's a great practice to keep record of what has been received and what's yet to be received.
Declutter your brain. Write down anything thats on your mind. Create to-do lists. Create strategies. Write down thoughts. Keep all your ideas in one place, no idea is useless.
Don't carry hard copies of your documents all the time. Keep their photos in DOCUMENTS, so you know what you have. Only carry hard copies when it is necessary.