Do you want to go after only duds that no one wants and deal exclusively with homeowners with unreasonable expectations of their property value?

Your expectations are likely to be unreasonable for a retail buyer, though

Your point is taken that its a seller's market, but the properties in question have been sitting on the market for a long time, and doesn't seem to be necessarily because of being terrible properties, but seems like due to unreasonable sellers. 

I'd replace the windows take a pic with the replacement date and then if there a problem within an unreasonable amount of time then you have something to hang your hate on.

 $1000 is not unreasonable, especially since approximately $400 of this will be the filing fees (depending on the state) for the Certificate of Formation and any assumed name you may operate under.  

And let say I save the owner 400-800$ a month, would it be unreasonable for me to ask for 100-300$ a month for refinancing their property.

Lots of companies offer less for direct printing, although the mailing piece can be costly, and the quantity of cards ordered can be unreasonable.

Hello fellow investors, I need help/advise.I just finish a 1 M new construction in Bowmanville/Logan Square neighborhood it is listed on MLS but I don’t have any showings. I think it is because of my next door neighbo...

This is rather circular and unreasonable.

Buying foreclosures when the price the bank wants to sell for is completely unreasonable.