For number 2, you can have numerous ones and just apply later.

A friend has a 1910 home in Oshawa and has had numerous issues.

@Matt K.Great movie!

As it turned out, the house had numerous defects and I told them we would have to renegotiate or the deal would be dead.

Zach, I currently manage numerous properties in the Beloit area.

On a large multi-family property with numerous tenants where the work doesn't impact any of them, you may not need to. 

Most of the answers to the basic questions you're asking have already been answered here numerous times.There are plenty of free guides here on Bigger Pockets - starting with "The Ultimate Guide to Real Estate Investing" https://www.biggerpockets.com/files/329/download.

We are oversubscribed on every note participation we syndicate.For anyone trying to raise capital without superior knowledge in this space, there exist numerous problems to overcome.  

The platform may allow investment by accredited investors only or be open to almost anyoneEach has advantages and disadvantages.The portals that allow anyone to post a deal have not been very successful and they will probably remain a fringe categoryMany investors are familiar with the big players in the industry that provide access to deals sponsored by numerous parties.As an example of a single sponsor platform I will use our own.In the last two years we crowdfunded/syndicated 26 real estate debt deals, raising just over $46,000,000.00 and two months ago completed our first equity raise, raising $1,700,000.00.Additionally, we did a co raise with a major real estate debt crowdfunding portal that was primarily residential and wanted to move into the commercial space.I will tell you that despite many similarities, no two portals operate the same, and there are major differences in deal type, vetting, costs, risks, returns, and transparancy.Keep watching this arena.

After diving into the numerous amounts of information related to real estate investing and wholesaling my vision aligned.