The cost to maintain them probably wouldn’t be exactly 8x as compared to the single 8-unit, but it sure as hell isn’t a 1-to-1 ratio either. 

-Opportunity cost: A 7% interest rate isn’t great, but if you think you can achieve returns higher than 7% by buying another cash-flowing property, paying off the mortgage might not be the best use of funds.Now, let’s explore saving to buy another property:Investing in a Second PropertyPros:-Diversifies your portfolio, reducing risk if your Palm Desert STR underperforms or faces challenges (e.g., stricter regulations or lower demand).

In other words, you will incur the cost of demolition just to get the raw land.  

Because of cost, duplexes are are a better choice and compete well with SFH and or apartments. 4.  

May not be your cup of tea but they are cost efficient and they work to add passive income at a fraction of the cost to build a SFH.There are a few "Tiny Home" builders in Tampa and Manatee doing a ton of business.  

The Retainer Fee is credited towards whatever they buy from us in the 90 days, so in effect, costs them nothing.Note: we're not doing this to make money, but to avoid the time-wasters.

I use buildium which is a good value and I think the integration with tenant turner alone saves triple the hours needed to be worth the cost.

Yes, you personally aren't living there, but with high crime comes unqualified tenants and high maintenance costs (stolen materials, broken windows, etc.).

Any idea estimate on cost? 

I looking to take action Can anyone help with some questions I haveWill this property cost me to much down the road?