Q: any tips on watering
A: it depends heavily on your soil type.
Q: feeding
A: it depends heavily on growth stage and your soil humidity
Q: general care
A: watch out for bad bugs! e.g. aphids, mites, thrips, ...
you just need good soil. let the pepper plant tell you when it needs water.
this is when it needs water.
let your pepper plant uptake calcium 1000x faster.
you may need amino acid / aloe vera gel / b-vitamins / humic acid / ascophyllum nodosum / EM1 / EM5
oh... remember quality/quantity of light is the most important factor.
good luck