Based off the information you provided, it sounds like there's no issue from your end.In the future, you may want to include something in the lease agreement that outlines objects that may be stored on premise.

Criteria:6 months STR2 bd, 2 ba, Single Level House Furnished with yard, washer & dryer with A/C (inland not near coast)Pet Allowable 40 lb labodor 10 yrs, 40 lbs Red Heeler Mix and 6 lbs catNear VA Hospital, shops, grocery stores (at least 25 minutes commute)

But they asked for a little space to store their Christmas items. 

If it’s empty, consider staging it with a few key pieces of furniture.

I'm currently going through Pace Morby's book and video companion guide from the Bigger Pockets Store.

It is not currently a store of value. 

Does anyone have any excel/spreadsheet templates they use for organization and having a place where you store that budgeting and timeline information?

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.

Need a place to store it and this place looks awesome!! 

Also, I have heard success stories of folks finding good contractors at the home improvement stores early in the AM.