However, there is still the federal moratorium in effect until the end of the year.

If your 1031 fails, all the gains become a taxable event. 

Depending on what year the gift takes place the amount that is taxable over the exempt amount changes with the political ebb and flow of lower taxes vs higher taxes.Whatever the tax rate at the time, the gift tax will impact both of you.

I am thinking that the 100K of accelerated depreciation would 'offset' the 100K of Net Equity in the SOLO401K that would be taxable if converted to a ROTH.

You're still subjected to your regular taxable income on your business no matter what types of bank accounts you put into. 

I have cash on hand to do it, but figured I'd reduce my taxable income and avoid putting fresh money that is not subject to RE capital gains taxes into new deals.At first I was not going to buy new ones in WA because of the seemingly never ending eviction moratorium.

It was created in the early 50s and is an independent agency of the federal government created to help small business owners.

Inspection revealed federal pacific electric panels and mostly non grounded 2 prong outlets.  

I believe I can do a straight trade and not trigger any taxable event, but then do I need to hold the property I just got, for another 1 year period before I can sell it and do a 1031 for cash?

Hire a professional property manager and maintain your homes per local, state and federal building codes and you're liability risk is rather low.