When you are selling a domain name, you don’t want to suffer because of failed transactions or being tricked by defaulters. Safeguard your monetary dealings; the best way to do this is to take the help of a secure domain transfer and escrow service. The escrow system is highly beneficial because a buyer has to deposit money at the trusted source prior to purchase, and the dealing between a buyer and a seller takes place through a secure domain transfer and escrow service. This makes the transaction safer for both parties with the involvement of a neutral third party.
Similarly, for adult items which are theme based you go for similar domain names that are suitable for such businesses. Like for bridal cakes for bachelorette we need to wish them luck sop for a bachelorette cakes and other party items site the names can be like http://www.luckonluck.com. Though somewhat it could be suitable also for book making sites. But better luck is needed to a bride after all and for HEN parties ladies need luck.
That said, my recommended budget for beginners would be $500+. Using this budget you could buy a bunch of high-potential $10 domain names, expired/dropped domain names or a mix of both. It’s very important to invest only what you can afford to lose and treat this as a side hustle till you get the momentum going. As you gain experience, industry expertise and some sales under your belt, you can then consider slowly growing your business into a full-time gig.