I would strongly recommend you download YOUR state landlord tenant laws and get the correct information before giving any notice. 

You can download a template for a business invoice in Word, change the title to "Security Deposit Accounting" and add your business address. 

@Gerald Hand , this is one of our most-downloaded episodes.

My Nolo Landlord's law book says there is no state statute , but some doc I downloaded from the Wi Dept of Agr, Trade, & Consumer Protection says I must give 28 day notice to increase the rent.  

Their letters and leads are very useful (which you can export and download to word and excel respectively).

mhi therei wanted to know how to make up a wholesale contract, is there a website where i can download one for free?

If you want to get more advanced, construction estimators use Uniformat (http://icee.usm.edu/dkemp/download/ACT380/Presentations/Supporting%20Docs-Samples/PDPG%20Docs/UniFormat2010.pdf) and Masterformat (https://www.edmca.com/media/35207/masterformat-2016.pdf) to break down budgets.

I download that to my phone, put in headphones and go for either a walk or a jog for about half an hour.It's great because getting some exercise is good for both your body and mind.  

Here is the link, this will give you occupancy for the major city near you https://www.yardimatrix.com/Media/Downloads#gp_2

Download credit karma's app and see where you stand and that can be a starting point for you.