A recurring journal entry works well. 

To no avail, this problem keeps recurring, and, needless, to say is eating into cash flow in an already high-maintenance cost property. 

@Daria B. seems like you've done lots of research, I've done quite a few renos and have build some brand new homes, one that was featured in a magazine http://www.ottawamagazine.com/homes-gardens/2012/05/11/a-house-we-love-a-cliff-side-dwelling-in-chinatown-and-on-lebreton-flats/, the recurring question I keep hearing is is worth it for a buy/hold.

BP Family,When I have read stories posted on BP regarding individuals who have successfully navigated and closed multifamily deals, I have noticed a recurring commonality:  Success favors those who have an experienced partner/mentor in the multifamily sector. 

Preferably events that meet in-person on a regular basis or have a recurring time during evenings or on weekends that make time for networking but also have guest speakers, vendors, etc to learn from and connect with.

Landlord reserves the right to hire a recurring Professional Cleaning/Maid Service if TENANT(S) are not keeping the Premises in clean/sanitary order at Landlord’s own judgment.

Enter recurring charges and automatic late fees.

He is worried about his retirement and is interested in recurring returns.

The downside would be availability to get it or if there are any other problems getting it As well as you cannot own the post meters they must be leased as postage is legally considered a form of currency So there will be monthly recurring expense.( I’m definitely not opposed to the recurring expense if it makes sense )

Enter recurring charges and automatic late fees.