Check their occupancy, nightly rate and amenities.

One challenge was getting the hotel occupancy up after renovation since no one had booked or stayed in years so there was no existing guest base.

You say that it is "mostly rented"  - is that $400K a pro forma assuming 100% occupancy?

I have some YouTube videos that may help with some of your questions and always happy to have a call to dive a little deeper. 1. which development(s) tends to be the best for ROI/have the best occupancy rates? 

The capital gains exclusion is available to owner occupants primary residence.

A tenant now enjoys these enhancements at $1400/month, showcasing the property’s increased value.

He is now in rent up modeand is at 20% occupancy after 3 months during the slow season.

Purchase price: $45,000 Cash invested: $40,000 Property Renovation Overview: 1453 Southfield Dr, Columbus, OhioWe are excited to showcase the extensive renovation of 1453 Southfield Dr, a testament to our dedication to revitalizing living spaces and enhancing the experiences of our tenants.

I am unsure how to accurately predict rates and occupancy.

I would spend money to enhance and update to current standards the search functionality and person to person tagging so it's easier to find stuff.