The amount of time it takes someone to learn how to properly do SEO on their own, therefore "no cost", and then to actually do the SEO and then continue to monitor and improve SEO doesn't seem to return enough added value to overcome just paying someone to do that for them.

You can't expect the realtor to monitor the MLS drip he/she sends to your email. 

There's no foolproof way to know for sure if a house is vacant anyway, save for maybe checking for an installed electric meter or monitoring water usage.

How is compliance monitored?

Who is to monitor safety?

Just increase the rent a little and monitor overall consumption and let the tenants know - maybe post the water bill on the hallway as an FYI.

. , thank you I am now monitoring that topic.

I am still monitoring the two defaults in my portfolio and looking at the process the portal goes through as well as the ultimate results in terms of recovery and length of time.

Ram,I would recommend doing a lot of homework and finding a reputable credit monitoring agency.

You should start this now because you intend to grow and as you do this type of data is a must to manage your investments as you transition from working in your rental business, which is where you are now, to investing in and monitoring your rental businesses, which is where you want to be in the future.