Sure, there'll be challenges along the way, but I'm not backing down.

Was it challenging or relatively straightforward, and was it ultimately worthwhile?

I'll typically contract work out, unless it's something I can handle myself - Residential purchases to turn into rentals (12 months or longer)I read a few posts and did some research, but I want to be sure I am selecting the right NAICS code.

So you still have some people trying to sell their guru courses, but far fewer.The challenge with any guru, as I have stated time and time again, "those that can, do.  

Challenges?

First if the country has appointed Apostilles then you will sign in front of a notary from the country you are in and then take that doc to the apostille at the local court house and have them verify and sign off on all documents and then you send that full package to US title company handling the transaction.If it is a country with no Apostilles(not all countries have them), then you will need to sign docs at Embassy which means needing an appointment in advance which can be tricky.

Splitting a single parcel post construction may also prove a challenge depending on zoning. 

While there's no shortage of options out there,as you mentioned, such as PropStream, DealCheck, REI Simpli, and Podio, the aim is to stand out by honing in on what really matters to investors: ROI, value, performance, efficiency, and possibly price.Expanding on what matters as outlined earlier, here are my assumptions regarding what investors might require if I were to launch a product today:User-Friendly Experience: A platform that feels like second nature to real estate investors, with intuitive design and features that make life easier.All-in-One Solutions: A toolbox stacked with everything necessary for successful investing—from finding leads to analyzing deals and managing properties.Seamless Integration: Make workflow smoother by seamlessly connecting with other essential tools and platforms you rely on.Insightful Analytics: Next-level decision-making with advanced analytics and data visualization that help you optimize investment strategies.Now, the challenge lies in the fact that every investor is unique, and the features might be excessive if they don't offer genuine value.

See how they handle guests leaving a mess or stealing food etc.  

General rule is that you may get some things like improved general software interfaces, more experienced professionals (some people get REALLY specialized in certain topics, it's crazy to see sometimes) Also, the option that if you do have something unexpected come up, they might have more staff capable of handling it so you wouldn't have to move around at all.