MUCH of the stuff in those "package deals" is sheer...filler...customer-bait, if you will. What you will want is the camera body, an 18-55mm "kit zoom" from moderate wide-angle to a very slight telephoto, for the everyday, lightweight, small, carry-able zoom lens. Then, a 55-200 or 55-250 or 70-300mm, lightweight zoom lens for distance work.
The flash they have is uber-cheap...soooo uber-cheap, it's awful. THe screw-in accessory 'lenses' are junky. The 4-piece close-up filter set is worth $9 at my local pawnshop.
The battery and charger COME WITH the body; the vendor actually has the nerve to call the battery a "starter battery", so they can upsell you to a second battery, I would guess.
$500? I would go to Walmart or to BestBuy. Seriously. Walmart has a $529 or $539 Nikon package all the time. And then if there's an issue, you have a real store--AND, they sell Nikon USA warrantied, OFFICIALLY-imported items, which Nikon USA can and will repair.
In the $500 type range for brand-new gear, you will need to buy a 3000-series Nikon or an earlier-generation 5000-series Nikon that is discounted; Nikon has cameras one and two generations back that are selling at heavily discounted price points now that a third-generation model is available. And yeah, I am serious--Walmart or BestBuy. Refurbished items quality-checked by Nikon,USA are often lots cheaper than brand-new stuff. Refurbished items are quality-checked individually by Nikon,and in many cases, it seems like they are simply returned merchandise that cannot be sold as-new by ethical dealers. Today's BUY-AND-TRY-then RETURN culture is responsible for flooding the market with refurbished camera gear, bodies, lenses, flashes. It has become almost epidemic. Refurbish in camera gear is NOT like old, auto-wrecker rebuilt wrecked cars.