I am looking for a more detail excel spreedsheet or other tool to help me create a budget for this project.

I'd use the agent finder tool if you need to find an agent in the areas you are targeting.Additionally, you see if there are any local Facebook groups that are specific to the regions your are investing in.  

DSCR is a tool like any other loan product and works for some and doesn't work for others. 

The assessor’s website even provides a tool to help you do so.

I think he could help you a lot and provide you with the tools you need. 

AirDNA is the most popular research tool for your purpose.

I’m Atlanta, there is an online tool where you can put in the address, bedrooms, bathrooms and it will give you a number.

They are all tools to be used to make investing easier for you - but, you need to understand how to use tools for them to be effective. 

Sure, everyone has their favorite but if you want to be a true master, the tool matters much less than the expert.Ultimately, you’ll want to use the spreadsheet that your team is most used to seeing.

Cost segregation study is a great tool and we have used it on the large shopping center but I have never done it on my small residential property as never thought it would be worth it/make sense but will keep it in mind for the storage facility.