If you leave them plenty of room for their profit it's no big deal.The factors to consider can be the amount of profit that's in deal. 

Small deals small profits. 

The more people I help, my net worth through RE keeps getting larger 8 apartment complexes and 122 front doors total and counting.Swanny

Try a couple larger regional banks that lends in your area.

This would produce a much lower top line revenue but my net profit would be potentially higher because I am capturing a high percentage of the rent collected.

unless its a sherrif sale  In Washington its just one notice@David Friedman  CA there are two notices as you mentioned  in WA and OR trustee sales just ONE notice.and even sherrif sales just one notice.. that will have the sale date in it as well.What WA OR and CA investor need to check out though is buying assets that are in pre foreclosure there are specific rules regarding those and profits that can be taken from them. 

Since then I have dreamed of flipping houses, now I am ready to take  action by investing my time as a designer to help a flipper, renovate buildings for profit. 

I recently sold it and made a modest profit.

What I don't understand about your logic is why someone is unethical if they wholesale a property for a large profit but if they buy it and then sell it, they become ethical?

An 8% preferred is nice, but upon sale if the sponsor is taking 50% of the profits, plus they get 2% acquisition fee, 2% disposition fee 1% management fee and half of the profits your IRR will be lower.