The first few times, I didn't charge a late fee.

Some, like ours, focus on offering optional services such as renters insurance or washer/dryer rentals without requiring tenants to opt into a full package.When choosing a property manager, I recommend asking about the structure and purpose of any fees.

Quote from @Sofiya Cherni: Hi,I noticed last year in Montgomery County Landlord-Tenant Handbook that landlords may no longer charge non-refundable pet fees.

Quote from @James Hampton: How about a quick check before you have to charge a screening fee? 

We have a ongoing list of each along with their fees and what state they are licensed to collect debt in.

Beyond that, sending upfront fees to a lender is not okay.

New blood in the forum is always exciting.. what's your top strategy for finding hidden deals?

Most folks are charging 10% of the rental rate for monthly PM fees. 1 months rent for a leasing fee and couple hundred for a lease renewal.

Quote from @Mary Jo Carruthers: Fees for buyers side has never been set in stone.

Often times, there's houses or land worth $500k listed with an opening bid of $30k which is a fantastic deal; however, if you were to win the auction, there may be multiple liens and $100s of thousands of hidden fees that you have to pay at once (based on what I read online).