I am currently in escrow on a vacant lot to build a shared fractional usage and rental home in San Jose del Cabo, BCS, MX.

The fastest way to instantly get credit is to have a responsible adult with good credit and responsible credit card usage add you as an "authorized user" to their account.

These were the people (usually couples) that were looking to buy a house for their own personal usage.

That feels like a good, diverse usage of a burst of cash.

They can make sure we are allowed to have Trucks at such and such hours, they can talk to the building inspector to make sure there are not any requirements for fire suppression that we are not suspecting, they will verify usage is compliant, they will check the flood plan and make sure our insurances are adequate to cover it, they will line up local labor for the turn out, they will coordinate the HVAC inspections and due diligence.

@Brian Pham be careful using credit cards for the rehab, I've seen investors go that route and once they're done with the rehab, they can't get out of the Hard Money Loan at a good rate because of their DTI ratio which spiked due to the credit card usage, if your only option is using credit cards, use a higher interest rate calculation when projecting your BRRRR strategy to see what your deal really looks like at the 6-12 month seasoning period for the refinance

Only that you fall outside the safe harbor and it may be reviewed.Where people get into trouble is when they inappropriately account for income, expenses, take depreciation where the use has been too great etc.  

Therefore, in my case, I don't see a good usage. 

@Jason BlasenakUse credit card service, square, bank, ect.Not everyone has a pay pal account.Pass the usage fee onto the customer, friend or family....

Not a financial expert, but from my own experience paying off a huge chunk of debt only made a significant increase in my score if it dropped me into the lower percentile of debt usage. $24k of debt w/ $100k available isn’t as big of a deal compared to you only having $30k available and are pushing that limit.