http://importgamers.com/tingle/ - Good info on how much to pay for things. I was giving people way to much at the start, and trying to give sidekicks way to little, so this helped me get an idea of the value of things.

https://strategywiki.org/wiki/Freshly-Picked_Tingle%27s_Rosy_Rupeeland/Walkthrough - Good walkthrough.