I FAILED inspection because the pine straw wasn't thick enough.

I would use a higher quality with a thick pad if it is high end..

A few things you could consider:House Rules: Make sure you have clear, firm house rules for your STR guests regarding noise levels, shared spaces, and respecting the privacy of your LTR tenants.Noise-cancelling measures: You could invest in things like soundproofing the walls or adding landscaping (like thick bushes) along the privacy fence to further dampen any noise between units.Separate Access: If possible, ensure that the STR and LTR tenants have separate entrances or parking areas.

Hey @Michael Baum what about buying a couple snowmobiles, making an ice rink, buy some snow shoes , fireplace …voilà the ultimate winter vacation spot for your “Offseason “(snowmobile  is expensive I know ) Hehe, well, the ice on the lake isn't that thick for skating.

At this point, we are three years in, and have learned that you sometimes have to have thick skin (grit) in dealing with tenants, managers, and RV site visitors; while maintaining a sense of humor and humility.

Anyone who aspires to be a wholesaler and reads this forum, grow a thick skin.

Anyone able to recommend a great supplier for about 1000 sq ft of a thick, waterproof LVP?

I don't know that you need 10, but I can share the first one or two that WILL work for you, if you apply yourself:The first thing to remember is that most groups and courses, who want to know how thick you wallet is, are not what you are looking for. 

Having thick skin is essential in real estate investing.

If you have the thick skin and patience for it, you may be able to make it work, but it wouldn't be something I would recommend.