Here's what I've learned:
Using the Simplified Method for figuring your home office deduction is limited to only ONE home per tax year. So if you use the Simplified Method for the first home, you can use the Regular method for figuring the second home.
I think these FAQs for the Simplified Method (from the IRS) may clarify how you need to proceed.
FAQs - Simplified Method for Home Office Deduction | Internal Revenue Service (irs.gov)
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
