If the property is vacant, you will attract a larger pool of buyers as not everyone looking for a house wants to use it as a rental. 

I have considered it but I keep things at a flat rate for the exact reasons you stated.I want people to get the exact price when they stay at our lake house.

There are a few Dundalk neighborhoods I'd stay away from but for the most part it's a great area for house hacking/BRRRR.

Those houses could rent anywhere from $1,600 per month to $2,000 per month. 

As others have said, the best thing your son can do is run far from this deal, buckle down, save his pennies (he probably already is doing this), house-hack, and improve a property with sweat, hard work, developing a DIY skillset, and self-managing tenants. 

Not only do we find the housing market to be a little more manageable, but a lot of people travel there year round. 

It’s a 2/1 main house with an attached 1/1 unit, sitting at roughly 1,800–2,000 sq. ft.

It is a corporate housing arbitrage mentoring program.I'm about to sign up but wanted to do my due diligence I want to check with people here if this is legit and if the program is worth the money they as asking for.

Can't get housing?

This cultural preference for renting creates a steady demand for rental properties, ensuring reliable cash flow for property owners.Additionally, many Germans face a significant shortage of affordable housing, particularly in major cities like Berlin, Munich, and Hamburg.