Several services let you take offline backups so I would be sure this is a feature of your chosen system, and use it.- Performance can be a real problem. 

Will they allow me to invest all of the money into my chosen strategy (BRRRR)?

To do otherwise is considered gambling, not investing.

You've chosen an excellent source of information.

Since your interest lies in wholesaling, I added the below links to help with the success of your chosen niche.https://www.biggerpockets.com/renewsblog/2015/01/31/ultimate-beginners-guide-real-estate-wholesaling-2/ (Ultimate beginners guide to wholesaling)https://www.biggerpockets.com/renewsblog/2015/10/15/bp-podcast-144-getting-out-of-your-comfort-zone-and-kicking-butt-at-real-estate-with-danny-johnson/ (wholesaling tips)https://www.biggerpockets.com/renewsblog/2014/10/09/getting-started-real-estate-wholesaler/ (BP Podcast 091 Wholesaling)https://www.biggerpockets.com/renewsblog/2013/10/31/wholesaling-podcast-mike-nelson/ (BP Podcast 042 - wholesaling)https://www.biggerpockets.com/renewsblog/2013/08/15/wholesaling-business-lamar-cannon/ (BP Podcast 031 - wholesaling)To be more successful, you simply have to work on the other elements to progress your REI pursuit.

"Income: Wholesale real estate for small mark-ups to other investors & Refer traditional listings or buyers to well-chosen brokers for referral commissions" - Do you need to be a broker to do these items?

Ok, now that you have taken your initial step, below are some quick links to get engaged.Since you and your partner are focused on flips, I added the below links for review prior to taking action on your chosen niche.http://www.biggerpockets.com/renewsblog/2014/01/07/flipping-houses/ (step by step guide to flips)https://www.biggerpockets.com/renewsblog/2013/03/21/flipping-houses-101-j-scott/ (Flipping houses 101 with J.

Good luck to those of you who are in the stock market gambling game...

I'm willing to gamble on it but my partner investor is spooked by the tank. 

Overrall, in a chosen market, the aim is to dominate in a specific nicheA deal per week by year end