I borrowed 62k at 10% APR for 12 months with interest only payments and a balloon payment at the end of the loan term.

The difference is the one manufactured in the states allows you to pull a building permit, because the government has to be benefited more than you purchase it directly from China 

Hello, Hazem Abdallah, when choosing a company for cold calling, especially in terms of calculating KPIs and ensuring lead quality, it’s important to consider several factors, including their reputation, services, technology, and customer reviews.

Tax accountants (and lawyers) also tend to be extremely risk adverse so they tell you to do one thing after another to lower liability even if it doesn't always make sense from a cost/benefit way of looking at things given that, as we all know, time = money. 

This means you have an LLC for a single business activity, which is filed correctly, has an Operating Agreement with clear and precise terms, you set up a separate bank account for that LLC and its related business activity, you do not use that bank account in any way for personal activity, and while it varies per state as being a requirement, you always want to make sure you have periodic filings and to take it even further, hold a "meeting" once a year...even if you're the sole member and there's not much changes that took place for the year. 

My wife and I have 4 long-term rental units and looking for a better way to manage/track expenses/income.

It is less expensive than one year at a good college and 10 times more valuable in terms of the education you will receive.  

Together, we negotiated favorable terms with the seller, ensuring a beneficial deal.

Short term or long term?

Your list looks good but as others mentioned it doesn't hurt to think long term and explore refi options as well.