A lengthy process with a lot of intermediaries:

The existing model is very much questioned.

[+] Pros:

1. Easy to manage
2. Broker is close to seller
3. Attractive when funds are abundant and when requirements are low

[–] Cons:

1. Sequential process
2. A lot of intermediaries
3. Lacking transparency
4. No budget control possible
5. Mostly in the US
6. Seller has no contact with investors
7. No control on where funds are raised
8. Recurrent Due-Diligence costs