The simplified theory looks at the holding cost for a median priced home between two time periods and when those costs mirror one another the bottom has been reached.

An unlocked workbook may simplify your data entry and allow you to be more accurate for each property you are analyzing.

You can save a little by simplifying your deign and reducing square footage, but at the end of the day, quality construction takes time and costs money.

You can protect yourself while also simplifying your offer, which buyers may perceive more favorably than including multiple contingencies. 

@Kushal Dalal If you have been using LLCs thus far and are familiar with the process, I would continue to use them and use one per property regardless of state, unless the property values were very low then maybe I would consider trying to put several into one LLC to simplify things on the administrative side.Another thing to consider is that with STRs, you typically have some host liability coverage through the booking platform and be sure to get a specific STR policy through your insurer as that will cover more on the liability front than a standard insurance policy would.  

I have read some advice on this forum, but I'm still curious how you set up bank accounts in the most simplified way.

If the software is not simplifying your life or making you more accurate, you shouldn't use it.Software does have extremely helpful features like online payments, marketing syndication (click a button and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

I decided against it not because of their platform, but because I'm trying to automate and simplify and adding additional rental options added administrative complexity. 

Simplify and focus.

If I were in her shoes and her budget permitted it, I would use the Legal Zoom option to simplify any future goals to expand her investment portfolio.