Here are some of the problems I'm attempting to solve:-Scrubbing lists for active listings/recently sold properties and the DNC registry-Updating lists to reflect market activity-Skip tracing phone numbers-Direct Mail automation-Ability to add leads & lists seamlesslyWhether its a software, CRM, or manual system that you find to be effective, I'd love to hear how the BP community has conquered this problem faced by all scaling RE businesses. 

You can always go for the duplex on the second home and scale that way. 

But it's great at a smaller scale. 

Is it your goal to re-invest profits to grow the business and scale up... or is your goal to provide side income for your brother and yourself?

STR is a great way to start and a great way to generate more cash flow more quickly so that you can scale your portfolio faster, but they are not for everyone.

Are mobile homes and manufactured homes a good idea to buy and rent out to others?  

Have you seen a scale back in profit?

If you're just doing 1 or 2 properties, it probably isn't worth it, but if you plan to scale and build a portfolio, then it could be. 

So when your business scales you may not have the time to manage the 100 doors you will gain in the near future:-), you can get an idea of how much to pay a property manager/company.Good luck,Leonard

Have you considered how to scale when doing these type of deals?