Conventional loan with 25% down is the classic move.

That could be a classic example of mixing monies, thereby rendering the LLC pointless, or it could be setup as a property management company with paperwork showing that it is renting out the property on behalf of the owner.

This does not look like the environment where you can do a classic "buy, fix, rent, refinance" . 

- Classical.

There are logistics to consider, if you're driving, repurpose some items from your current properties. - Permit ConsultantsIn areas where vacation rental dwelling permits or licenses are required (DO YOUR RESEARCH) it can be useful to employ a consultant to process your application or permit.

Low end properties are a classic newbie trap, especially for remote investors. 

Put the deal making to the side for a while and read some of the classics, like Napoleon Hill's 'Grow Rich with Peace of Mind.'

Just repurpose the window to make it more modern and look cleaner.

I will share my "Most Expensive Lesson" in the comments.To kick things off, here are ten examples of expensive lessons or mistakes in real estate investing:Underestimated Repairs: The classic pitfall where the cost of repairs and renovations far exceeds initial estimates, impacting the overall budget and profitability.Tax Liens: Failing to account for or being unaware of existing tax liens on a property can result in unexpected financial burdens.Contractor Liens: Not settling payments or disputes with contractors can lead to liens against your property, complicating sales or refinancing.HOA Fines: Overlooking or violating Homeowners Association (HOA) rules can lead to significant fines and headaches.Bad Loan Products: Opting for loan products without fully understanding their terms can lead to unfavorable financial conditions, such as higher interest rates or unfavorable repayment terms.Ignoring Zoning Laws: Investing in a property without a clear understanding of local zoning laws may restrict its use, affecting your investment strategy.Overpaying for a Property: Lack of research or getting caught in a bidding war can result in paying much more than the property's worth.Neglecting Due Diligence: Skipping thorough inspections and background checks can uncover unpleasant surprises after the purchase is finalized.Poor Tenant Screening: Failing to properly screen tenants can lead to unpaid rent, property damage, and costly evictions.Underestimating Market Risk: Not considering market fluctuations can lead to investments that don't pay off as expected, especially in volatile or declining markets.We've all been there in one way or another, facing setbacks that seemed daunting at the time.

It seems in many cases, it’s not financially viable to repurpose the space for multifamily, storage, etc.