What's your favorite way to apply leverage? 
Using whole life insurance was a big unlock for me; pairing it with the right turn key provider in the right location adds a nice passive layer--interested in other creativ...

Is there a company I can go with to take a loan out against my 401k as I have 2 from previous employer I need to combine to a new one which would be helpful if I could use that to pull cash against. 

If you flip or wholetail, your profit is taxed as ordinary income, so you’ll pay higher rates and possibly self-employment tax.If you hold and rent, you’ll get depreciation, interest, and expense deductions that can offset rental income and lower your overall tax bill.

Do you think you optimize towards your self stress/sleep at night?

Many people do this or a 1031 to avoid a huge tax bill.

What rates are people seeing in the market?

My cap ex has been calculated by replacement costs versus expected life expectancy of all property components.I allocate pm even if self managing because my time is very valuable and I deserve to be well compensated.Using my underwriting, this property is very large cash flow negative.  

Most people don’t start thinking this way until much later, so keep that momentum going.

A C or S Corporation may save on self-employment taxes.

Use Schedule C only if you do and be aware of self employment tax on profit.Check the section 461 excess business loss rule.