He had to select a few.

It’s usually good for $10-$40 per unit each month if you set it up right.Car wash station is another where you have a dedicated spot with water and power and sell cleaning supplies/rent a Vaccum Have your tried renting out your model unit as a short term rental as an amenity for tenants that have family visiting and don’t have the room to accommodate Luke, we are actually selling our own Smartland Internet to residents in high rise properties, we manage our own network, residents don't need to ATT, Spectrum, Wow, Comcast - they buy it direct and can choose 1 of 3 packages, we offer a more cost-effective solution, our CAPEX will return 10x on investment with 20% saturation.We are working on car wash station now. 

Just wondering how much time they should spend - I imagine some materials such as insulation are fairly standard whereas other things like countertops might require more homework in terms of selection and taste.

There are spots where you can spend the money effectively near South Florida.Also, are you saying you have 100k cash as a downpayment or your buy-in, with a mortgage, is 100k?

Once you make your selection, tell the prospect that you will continue to market it until they give you the signed lease or the holding agreement.

Now, pay me a refundable HOLDING DEPOSIT of 1/2 my Security Deposit Fee.After the physical OPEN HOUSE is complete, I will make my selection by close of business on Monday and let you know same day. 

I also watch Earnyourleisure as well and some folks believe the effort on a lower deal can be put on a higher cost deal and be more effective.

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If tenants were effected and couldn't pay rent as a result of contracting coronavirus no evictions.

Add in the services of a transaction coordinator (~$400) to help with paperwork and IMO it's the most effective use of your money with the least amount of work.