Don't know where you're located so I'll find you vendors from both side of the US with good pricing and fast shipping.
Vapenw they're based out of Washington State and I've had several happy quick shipped orders. If order a bottle of juice they'll ship the whole order for free so that's always a plus iStick 30W by Eleaf $29.99 iStick 50W by Eleaf $47.99
Origin Vape is another excellent vendor with great customer service out of New York, NY ELEAF ISTICK 50W $46.99 black only in stock ELEAF ISTICK 30W $32.99 black, silver and blue in stock
VapeNW and Origin Vape have delivered my vapemail quickly.