These softwares have a lot of functionality, but honestly there is a steep learning curve and the functionality is probably overkill for most rehabbers.FlipperForce - Web-based House Flipping Software built specifically for flipping & rehabbing houses w/ Estimating, Gantt Scheduling, Task Management & Budget ManagementGeneric Project Management SoftwaresThere are nearly an infinite amount of potential generic Project Management softwares available that provide powerful functionality for managing project schedules, tasks & documents. 

If you can't find existing meetups, create your own by organizing casual gatherings for like-minded investors.

Very keen on meeting like minded REI people. 

Please keep in mind investors, not every deal that you place under contract will close - that's just the nature of the beast when it comes to investing. 

With real estate, you have to make sure each property is functioning at full capacity or you’ll be losing money.You can analyze properties and be pretty sure (as long as you don't rationalize bad deals into good ones) what your numbers will be. 

Keep that in mind and just proceed with the utmost caution. 

I know of some folks in KC and Memphis doing new builds like this, but they are doing it within a much larger and long-term project that includes upwards of 300-500 units built over the course of 5-10 years.Assuming you're looking in Columbia, do you have a "B+/C" neighborhood in mind?

With that in mind, I’m considering purchasing four rental units over the next four years to build a stream of income that could help supplement my retirement by age 68.The challenge I’m facing is that the deals I’ve come across so far don’t make financial sense.

In your mind, is losing $9,500 worth saving $195 per month? 

A couple of things to keep in mind: you mentioned PadSplit.