In an ideal world the investor, a partner, an interior designer, or for larger investors maybe a project manager would be able to collaborate with the contractor(s) on these things.

As an interior designer, inside mounts all the way!

He won't do undesirable designations. 

If you use Podio as it's designed to be used, it will streamline every thing you do--from managing leads, managing projects, reducing your internal email count, to making your internal communications more efficient because conversations (which otherwise might happen in email) happen "in context" -- of the client record in your CRM, the project, or whatever it is that you are discussing.  

Quote from @Ryan Hakes: @Jay Hinrichs Incidentally I heard about this from an ad on Facebook so came here for explanations and comments as the ad was clearly intentionally ambiguous and designed to put you into a marketing funnel.Incidentally, it's perfectly acceptable to write into an agreement that earnest money shall be due 3-5 banking days after acceptance which is enough time to use your end buyers non-refundable deposit (except for free/clear title).

After all PITI, utility, and services (lawncare and cleaning) costs I have $7,225.I set aside 25% of this for my maintenance fund.The remainder funds my lifestyle, wife has a Tesla, and quarterly vacations as well as business growth.In 2023 I am tracking to build 4 duplex units designed as room rentals funded in part from a recent land sale.

These rules are designed to prevent borrowers from repeatedly using FHA loans for investing.

There're various financial plans designed to help with college financing, and some of them come with tax benefits.

Having agreed upon SOVs, payment schedules, retainage, design documents, and well written contracts really take a lot of the "unknowns or potential problems" out of the process.

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.