Since I do a open house style of showing of the rental and not a “ by appointment “, Is it ok to show the house for 2-3 hours and collect as many APPS from whoever wants to apply?

Take the next sized smaller wad of the same style and substitute it in the recipe. 

I've been through HubSpot, Salesforce, and I've tried using homemade systems on Monday.com and Trello, but that seems to work best for my style of communication.

That sounds more like my style.

Inspect where they live before moving in and look in master closet for mens clothing... 

Toledo also offers varies types of neighborhoods and style properties within those neighborhoods. 

A little about the house, it is a 4 bd, 3 bath, 3000 sq ft, built in early 70s and is built in traditional style.

Just like any product, the bottom of the barrel spec homes that are churned out assembly line style are going to be lower quality than older non spec homes.

On afternoon of Feb 1st, they move out the belongs they wanted, leaving house filthy & various items, broken furniture, bags of trash, clothing & dishes inside house & in overflowing trash & recycling bins & on carport, according to neighbor who checked thru window to see if they were out.

If I put on Indian clothes to go to a special event, I am sure you would think that I am a hippie too.