Although I’m guessing most people in this position would use Wordpress or something more customizable.

It works great and it completely customizable.

Zoho is a great CRM for any business and is 100% customizable.

They often provide standardized lease agreements that comply with state and local laws.Additionally, many landlords use platforms like Avail, Zillow Rental Manager, or TurboTenant, which often include customizable lease templates that are state-specific.

• Is it all just customizable based on what works best?

You want a platform that seamlessly integrates with your CRM and customizable for your business.

They run a customizable fund platform that many fund managers have started using in recent years.I'm not involved in the development space much, but a newer person can generally only offer so much to a more experienced person in this business. 

If you want something more customizable with tons of game options, look into AtGames Legends Ultimate.

You know what the payment is so you can add that amount to the customizable expenses which would obviously skew your ROI and would not keep track of your pay down and that type of thing.

Are they really any more customizable than a stick built house?