But even outsourcing, they will likely have a maintenance management/construction management, something fee, often times a percentage of cost, that is a mark-up.  

Commercial real estate (more than 4 residential units) can be quite passive if you outsource management.

If you don't have that kind of time, or aren't willing to deal with the headaches that can come up, outsource those operational tasks to a property manager (fixing a furnace, finding prospective tenants, dealing with neighbor complaints, etc). 

If not just request line item pricing and also what is being done in house vs. outsourced.

Steve,The answer is it depends (I hate that answer;).It depends on the amount of time you can commit, the quality of the property you purchase, the type of tenants you have, if you self manage or outsource, how organized you are, etc.As with most things, you should walk before you try to run so I would urge starting 'smaller' and in a few years moving up if you still want to.

Yes, you can outsource all the management and a good chunk of your profit margin to a third party.

You can do that thorough several outsourcing websites.

Are y'all building the app from scratch yourself or outsourcing the project?

You should be able to easily identify the true judgment debtor (as well as prior owner) and clear the title issue in a matter of minutes.If you are not in a position to use appropriate skip tracing software, you are not doing this correctly and should be outsourcing this.

(I have heard of a possibility to outsource your real estate activities)I would really look forward in hearing from people that have knowledge in the matter.