I think having an honest/upfront contractor goes a long way as well as "virtual check-ins" (sharing a video on progress, etc..) via phone can help out.

As a direct mail specialist I'm likely a bit prejudiced however considering all the agony inflicted by unwanted texts and phone calls these days, it's likely that your message stands a better chance to be seen/heard via direct mail.

I house hack and also help others get into the world of real estate investing via house hacking. 

You also need good labor in place that you can trust to do repairs and will trust you enough to take payment via paypal or wait for a check in the mail.Then again, if you are in C/D neighborhood, you most likely should have a PM as there will be other issues.

If they aren't local, maybe they could meet via Zoom with you. 

Would love to hear of if anyone has a mastermind started or would like to start one up with me, I am proposing a weekly meeting via zoom or google meet at a time that works well for everyone.

Once you review comps, renovation budget, and determine an offer price, you'll have to send out the offer via email with proof of funds to show that you can close on the property.Finding the cash buyer will be the easy part!

You will most likely incur exploratory costs (money at risk).Maybe get control of the parcel(s) that unlocks it after searching for easements on them and finding none.If you find an easement then Bingo your unlocked.Control might be available via options.Pay attention to this upfront>>>Big parcel like this on the water my first thought in the states would be Phase I enviro. 

He's super responsive via email and fairly available over the phone as well.

(check the IRS for specifics - I have not been keeping up with the new laws over the last 5 years) This is all easy to find via google...