ROI for these Bathroom Updates?

[Kyler J Sloan]

I am trying to decide whether or not to fork over the money for a walk-in shower for one bathroom and a jacuzzi tub and shower update for my other bathroom. 

However, I am only considering this because I am about to take a HELOC on the place to re-invest.

Are there any appraisers out there or investors with experience with something like this who can advise? 

Is it worthwhile, or should I hold onto the cash because I am not likely to get much of it back for doing this? 

Thanks in advance. 

Here is what they look like now: