That covers the wholesaling process, besides sales skills, the successful wholesalers in town always value their reputation and relationship over anything else.

This is likely based on your skill set.

This not only developed my skills but my network and the networking has been and still is my most valuable asset.

@Wencheur Antoin, additional real estate sales books worth considering/reading, "SOLD" and "SKILL" by David Greene, "Fanatical Prospecting" by Jeb Blount, "Ninja Selling" by Larry Kendall, "Never Split The Difference" by Christopher Voss, "Pitch Anything" by Oren Klaff, and "The One Thing" by Gary Keller.

But I am giving control to an expert - someone who has skills that I don't have. 

Skills as both a designer and general contractor along with quite a bit of luck.

Look for a company with experience, good communication, financial stability, and tech skills.

Investing is very personal as it really depends on your skills, resources and challenges you want to take on.

Know what you want the end result to be and then get 2-3 that have those skills to quote you on your job.

Always keep in mind that investing in real estate is a journey, and it's acceptable to start small and pick up skills along the way.