I think it would help to explain why you think someone would pay so much to give you such a large profit.
In my real life example, I identified the property for sale (with help from an agent), and saw that it was cheap. It was an industrial building priced at under $4,000 psf - but in poor condition.
Property is about location, location, location. And I know the location very well. A new residential property across the street from it was priced at $12,000 psf. My strong sens was that the gap was too big. The actual buyer saw that too, and was able to flip it for a $ 1 million profit, and after the big taxes he paid, and maybe $150k or so of renovation costs, he still had a handsome profit.
Talking vaguely about the big profits you mention is probably not going to win anyone over. It helps to discuss your ideas and suggestions with more detail. You may give away the general idea, not not necessarily the crucial detail
I have been willing to get very specific here.
As you can see from this thread: on TKT / Olympic:
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As an example, my partner bought a flat at $2.7 million one year ago, and it is now rented at $9,500 monthly. That's a gross yield of: 4.22%
The bank valuation is now in excess of $3.0 million