I'm wondering if things will get complicated to track if I am paying for things to multiple properties in one credit card.

If the spouse does not sign, it could complicate any future claims on the property or the loan.2.

For one, if you have any properties with conventional loans on them, this makes things much more complicated and severely limits your ability to limit your liabilities.

It wasn't that complicated.

Government Accountability Office estimates more than $100 billion in fraud,” ( Link )More recently, the complicity of company’s like Emergency Business Relief are now targets of criminal investigations.

I did a modestly complicated simultaneous 1031 exchange a few years ago with no QI and did all the document drafting myself.

Complexity in Management: Managing multiple properties as collateral can complicate financial situations, especially if one property is underperforming or requires significant repairs.3.

Quote from @Xavien Rafael: Hi Travis, I hear you, but this isn’t complicated—it’s just strategic.

Why not just buy the property with a traditional DSCR loan and avoid the complication?

I will say, I often see folks create more complicated checkbook IRA LLC structures when they don't need them.