I am going to pitch an owner finance deal and I don't even know what the paperwork looks like haha.

Factor in things like credit health, de­bt load, and financing options.

My considerations have been: adding a small laundry area, building out the bathroom for a larger shower, making a separate parking area, building a walkway, putting up a fence so they have some privacy/yard space, mini split on the AC...

If your finances are simple and you only have one rental, it's probably fine to do it yourself.

I am looking to find financing for equity I need to acquire to begin two condo projects.

Do you need to look for new ways to find financing?

I am looking for an alternative financing solution to have a pool installed in an investment property.

@Noah Condon I would suggest you learn about hard money financing, unless you have unlimited cash. 

I’d like to hear how other investors feel about using “subject to” as the advantages of (1) no qualifying, (2) lower interest rates and (3) no financing costs seem like enough to turn a marginal deal into a worthwhile investment. 

Don't use it as a long term financing option.