Yes, we have been doing lease/purchase and lease-options deals for over two decades.The rent+own strategy is particularly relevant when prospective buyers are having a hard time qualifying for a mortgage, either because mortgage rates are high or because prices are rising.Kinda sounds like both are happening right now, doesn't it? 

I'm assuming I would need to go to a law firm but I am not sure who would provide this particular service. 

Multifamily valuations have stabilized, and investor interest is picking up, particularly in resilient regions like the Midwest.Economic Outlook: The U.S. economy is expected to avoid a severe recession, allowing the Fed to ease monetary policy later this year, which should further bolster the multifamily sector.Investors should keep an eye on these trends as the market continues to recover.

I know this is not ideal and I need to streamline into one PMS for future growth but am at a loss at what is available for different payout accounts to be associated with particular listings on OTAs. 

Particularly if you move in after using it for investment for only that 2 years you anticipate. 

The days of "my word are my bond" are long gone, particularly in larger communities where other agents don't know you personally.

Particularly around the Springfield Town Center, where 2 million square feet of commercial space and thousands of residential units are in the works by property owner Pennsylvania Real Estate Investment Trust (PREIT), to be delivered by 2026.Below I will go into the reasons why Springfield Virginia real estate market has strong potential for future growth in the coming yearsSpringfield Town Center is Approved to add 2 million Square Feet of Commercial Space and Thousands of Residential Units, Coming in 2026Although many malls suffered greatly during COVID-19, certain malls have begun to make a comeback, such as the Springfield Town Center, which not only is at pre-pandemic levels of visitors and retail vacancy of 4%, but the average time of visit has increased for the mall.

To get a better idea of what your ideal build would cost, find a build you like on HAR and present that to a builder so they can see the pics (finishes/design etc) and with that particular square footage they can give you an idea of what it will cost.

Do people invest in them with particular strategies in mind (development project down the line)? 

The people involved have a particular amount of assets(equity) and no or negative monthly cash flow.