With so many moving parts in real estate one of the key elements to success is developing a team of professionals. You need people that know what they are doing and can help you minimize your blind spots.
So while there are many things an investor should have he definitely needs to have a realtor friend he can call to bounce things off. What's properties selling for in a particular area, what finishes should I use for maximum return, where should I buy and so much more questions can be answered by a realtor.
I'll cover more in the future but if your'e a current or future investor comment below "investor" and store my number and send me a whatsapp to intro yourself.