Don't skimp on additional batteries and make sure they are charging/charged when not in use.

Don't skimp on your education, it's an investment in yourself.

In “The Millionaire Next Door,” Stanley and Danko mention that the one thing prodigious accumulators of wealth don’t skimp on is financial advise.

Don't skimp when screening prospective tenants.

Again, if you have assets to protect, don't skimp on spending an hour or two with a qualified attorney.

I realized that that's changed over the years, and, at least for me, good tenants seem to be partially related to being a good landlord.When I stated out I wasn't a good landlord -- I tried to skimp on maintenance to maximize profits.

Write and SOP for unit turnover to give the cleaners, get a handyman on your team, make your airbnb presence very strong and converse with the guests to make it feel as if you were just down the street, and dont skimp on furnishings etc cause no one like a walmart decorated vacation rental. 

If your goal is to make money from your investment, which of course it is, then you might be willing to skimp on some things to do so. 

Below is an example of what could happen by skimping on insurance in the event of a claim.

I know numerous investors who have skimped on screening and they've been burned.