Flipping homes that rises to the level of a trade or business is subject to ordinary income tax rates, and the flipped homes are treated as inventory, so that portion of your business can be considered a "dealer".
Rental real estate is not, however. I would seek the counsel of a CPA who can advise you correctly.
If you were just a money partner and invested in the partnership as a limited partner, you would be an investor. Here you are finding and financing. Also so managing the subs. Is this you SMLLC ? or are you a managing member of MMLLC? In both cases, you are not considered an investor.