No dishwasher, for a unit that small they are highly overrated and the problems they can cause and wasted space, which is limited in a small unit, outweigh the upside.

The risks outweigh the gain.How do I know all of this? 

I understand that there is far more to it than collecting a check every month, but I think the possible benefits far outweigh the work required.

The amount of work I had to do in a typical lunch shift where I maybe made 100 bucks FAR outweighs what I do on a monthly basis managing my 14 units. 

This would of course require cooperation of Buyer 1 and Buyer 2 may want to compensate them for that, so this option is mainly there if the  negative consequences of drafting a new agreement outweigh the consequences of compensating buyer 1. 

So...to know if I should get one, I should just make sure the benefits outweigh the cons.Are there any other pros/cons I'm missing here?

Those properties are typically getting a lot of attention and bid up by new and inexperienced investors, fresh off their training seminar, until the risk greatly outweighs the reward.  

In your opinion would the personal benefits outweigh any issues with lending?

In some situations the rental income, future appreciation, equity available, or interest rates might outweigh the tax savings of selling now.  

If you are only comfortable rolling your HELOC into buying new properties outright, then you just want to be sure you run the numbers thoroughly and ensure that the cash flow/returns on the property you buy outweigh what you are paying for that HELOC.