Focus on getting leads.Podio is a great, free, customizable CRM.  

Flip houses too.Very powerful and customizable. 

It is very customizable and powerful.

I would say Elementor is one of the more powerful tools when it comes to built in functionality and customizability for a reasonable price.

Check out dealcheck.io for a much more robust and customizable option. 

If your not comfortable using it watch a couple of videos on how to do basic functions.I have over 20 properties and Excel makes it a snap to keep up with everything on a Dailey, monthly and annual basis for tax season.I keep additional data like AC filter size, trash day, Magistrate for each property, lease renewal date, occupants contact info, date of last inspection, date water heater or HVAC was replaced and so much more.It is very powerful and customizable.

Some property management apps have a focus on accounting (with customizable categories) and report generation so it sounds like that would be suitable for your needs.

The simplest model for this would be for you to create a customizable fund where you put all these deals and investors will have the ability to choose which house they want to invest in.  

Benjamain, I am a a cofounder of a platform that develops a completely new type of customizable fund for capital raising, so we were very interested in the Total Market (TAM) also. 

Purchaser has option to pay off after year five (5)A single purchase price and financing term must be elected by both seller and buyer before the LOI is effective; the above terms are customizable to fit the tax and financial desires of the seller.1)Insurance Documents2) Environmental Report3) Property Condition Report4) Previous Title5) 5 Year Loss Run Report6) Rent Delinquency Report7) Electronic Building Plans (Any)8) Past 5 Years Major Capx9) Previous Survey10) Current Rent Roll11) 3 Years Trailing P&Ls12) Property Tax Bill13) 3 Months Utility Bills14) List of Personal Property15) Copies of Service Contracts16) Access to All LeasesDeposit: If there is a balloon payment in year one per the respective price and financing terms, $5,000 initial deposit will be paid to Seller within 3 days of effective date.Inspection Period: The Purchaser shall have 30 calendar days to conduct such feasibility, structural and environmental studies, tests, and inspections of the Property as Purchaser deems advisable, including verifying that the properties are insurable.