Most realtors like yourself are self-employed as sole proprietors. 

If we already setup  company as "sole proprietor"   ( dba- doing business as) Single owner .Can we then stat the Solo 401K plan. 

I did find an article that states:You qualify for an income tax deduction equal to 20% of your rental income if: you operate your rental business as a sole proprietor, LLC owner, partner in a partnership, or S corporation shareholder, andyour total taxable income for the year from all sources after deductions is below $315,000 if you’re married filing jointly, or $157,500 if you’re single.We own 3 rental properties, all single family homes with the titles in our names.

I am a CA resident looking to start REI, most likely as a sole-proprietor at first.

However, my two cents as a CPA are as follows:Regarding the new tax implications, the new 'pass through' deduction will impact sole proprietors and single-member LLCs equally, so there is really no difference from a tax perspective. 

‘lifestyle’ business – ie simply intended to be run by and to provide an ongoing source of work and income for the proprietors, no clear vision for the long term future?

I am the sole proprietor and my wife is my employee.

As of right now I'm flipping houses with a family member who is also a broker but we are buying the houses in our own names and not our business and being taxed as sole proprietors.

Report earnings as sole proprietor.

I have a single rental property that I just started renting. I'm running my rental business as a sole proprietorship. However, I'm also an artist and run my art business as a sole proprietorship under my name. Do I ne...