Not fun at all.I don't know your circumstances but I can tell you that a great agent can make all the difference.

these are facts and circumstance cases.. did the contract have a mandatory mediation then arbitration clause or do you have to go straight to the court system.either way if seller does not cooperate your going to spend some months flushing this out.

They can help you structure your budget and provide more precise estimates based on your specific circumstances.

Due to unexpected circumstances, I’ve had to come out of pocket probably close to about 50K or more since the inception of the project, and he’s made excuse after excuse as to why he has not been able to.

That benefits them but not you because tenants will not hesitate to break a lease if their circumstances change, while it makes it harder for you to remove them if they become a problem.

Also I would check their lease because since the unit is currently non-owner occupied, it might be more challenging to evict the tenant unless there's a specific clause in their lease that allows for eviction under these circumstances.

IRS Publication 537 outlines installment sales (seller financing), which, depending on the seller's individual circumstances, can defer and sometimes reduce the amount of capital gain tax owed. 

You don't want to spend every dime on your investment because there are always unforeseen costs during the first couple of years (bad renters, vacancies, a major repair, etc.)

The 2nd property owner accepted our offer quickly due to personal circumstances on their end. 

Opportunity Zone properties can be awesome under the right circumstances.