In some cases, it may not be possible to purchase and store materials, but if it is, that is one way to protect your budget and avoid a costly mistake.The last thing I would offer for you to think about is having a pivot plan. 

You may have to do this several times for all the different tasks being done.The only labor cost not covered by this type of online inquiry is drive time from the businessto the property, to the store & back for supplies and then back to the business address.

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

I'm sure y'all already knew that!

You’ll thank me when eviction drama hits, or turnover costs come calling.Fines = Behavior TrainingSometimes, tenants behave worse than toddlers at a candy store.

Maybe if you had a good, secure location to store things you could pre-order stuff you think you might need for your next project(s) and stockpile it.

Quote from @Kody Smith: without getting too deep into my finances, what my strategy is...1. take loans to buy properties (leverage)2. fix/flip for day to day cash flow income3. use some of the fix/flip income to buy consistent cash flow through:- business acquisition, - commercial properties (MF and store fronts),I have no intention of doing ALL of the management myself, I will hire management as needed (medium term goal)my expected core role is money provider, evaluating the numbers, making decisions, and connecting with investors, wholesalers, lenders, contractors, and property owners.while I am just on step 2 of the journey, I am looking toward step 3 to stabilize, and not worry about if house prices drop mid project or not (or not worry as much) So to be fair this is more about obtaining and growing a real estate business not simply buying rentals for cashflow.

It can be like the clothes nobody wanted at the dollar store, it wasn't going to be great to begin with and what was usable in some way is already gone.

let them know you want their official answer for posts and information is posted on social media and the newspapers before you post anything so they have a chance to review it. 

The storage closet is storing a shower head, a toilet, and whatever else you threw in there.