Remodeling is a hard thing to navigate if you're looking strictly at ROI. Remodeling Magazine just published its 2017 Cost. vs. Value report and ROI seems to be much better for small upgrades over larger projects. Below is an infographic that shows some of the projects with the highest and lowest ROI based on their data. Interesting for sure!
For more detail you can find the full article here: http://www.remodeling.hw.net/cost-vs-value/2017/