These people go in and take the exam regularly to have an idea what is on the test.

Other chemicals, cleaning filter baskets, backwash, complete filter tear downs are regular maintenance items.  

For close in neighborhood demographics, go to a few of the local Grocery stores and sit in the parking lot Friday night after dark, Saturday morning, and Sunday afternoon.Look at the people, and how they are dressed, look at their cars and trucks--guess their income level.

We got the property under contract and assigned that contract to one of our regular buyers.

We sat onsite on a regular schedule. 

Regular maintenance avoid replacement and big expenses.

We talk RE and hang out and its all free. 12/14 www.gainnetworth.com@Raymond Temprano is a regular there and you'll get to speak with him first hand@Peter Vander Valk is one of the founding members.

Do you buy find better deals at Home Depot/Lowe’s or does anyone have online wholesale store they recommend.

There are countless landlords that do repairs such as this on a regular basis and this is one that's not likely to be too complicated.

If they do it regularly, sit outside the place in your car when the bus stops and then see where they go.