How could one celebrate Rosh Chodesh at home and are there any customs like on Shabat (candles, bread, kiddush) or festivals (blowing shofar)?
I have dedicated sparkly slip on sandals for Rosh Chodesh. I generally look for the absence of the moon, blow my shofar, pray from my siddur, light a candle, have a tasty snack and a swallow of liquor. indulge for 30 mins or so.
I have slippers and Shabbos robes and comfy floor length dresses and scarves and whatnot dedicated for Rosh Chodesh and Havdalah and shabbat. Separation of the holy from the mundane is easy- rejoice and enjoy!