Honestly, I do not mind giving  realtor some percentage, but why?

If they have done a rental valuation recently, as you are limited to keep within a certain percentage of the market value rents. 2.

What percentage ROU would you say makes a good investment?

I believe every deal is made by meeting some percentage of needs on both sides. 

For cash buyers in South LA where would your percentage be to purchase when it comes to a higher end ARV in a pandemic through all the Buyer scares out there?

Typically the "passive investors" still get the depreciation "paper losses" passed to them based on their ownership percentage in the property owning entity.

The seller had to pay a percentage amount on the sale price, so in a way, they paid less in commissions.

Find out the real percentages, the real costs, the real comps, the real expenses, the real numbers.

(IRR is the percentage of interest you earn on each dollar invested in a property over the entire hold period.)Generally, when you invest in a syndication, the equity split (meaning, the cash flow that the property generates, and the proceeds from the sale of the property) between general partners and limited partners is 70-30 or 80-20, where the investors receive the bulk of the funds.During the hold period of three to five years, you’ll receive distributions from the syndicator, including your share of rents and income.

., If they beat the deadlines they can earn more interest in the deal and if they don't meet deadlines their ownership percentages decrease).You do not want them to suddenly get a big job, and then your investment (and money) becomes their side project.They MUST have some skin in the game.