Obviously there are situations in which you didn't do that beforehand or you have some issue.

It's selfish of the OP to use transaction accelerators for every transaction since he's taking the place of someone that needs it more.

Still, if out need you can use ViaBTC and the user Quickseller does a paid service.

Counting each of them as of now in the market would really be many and yes gambling sites is profitable if you already passed the state on hardships or challenges when you are just a new site.Its not easy to gain trust to public and if you are thinking to build a new site then its better to think on a new site which isnt on the market or unique among others because if you plan to build a dice site again then i can say it would be a hard stuff to compete among those who are older than you.

If you think most of the dice gambling sites are here, The reason is that mostly online gamblers like to play dice games, and when bitcoin came, than it give us easy way to play online gambling. So mostly people like to play easy and favorite game, So dice is one of them.
Definitely it would be profitable for the owners of the gambling sites, that's why every day we saw new gambling sites. But about the capital to start own gambling site, I really don't have any experience of it, but you should have experience of it to create it.  

some people will says it is profitable if in your sites plenty active players such as primedice but some of them also will answers no it is not profitable anymore because even there are new dice sites starting each day but there is no guarantee you will have loyal players on your sites and currently rivalry of gambling sites will so tight

Bitcoin gambling has a lot of potential to grow in the future because it's a good concept (people that wouldn't like to have their gambling habits public pay with Bitcoin instead, and it also allows provably fair mechanisms on online casinos).

Owning a site could be profitable but it would be very hard because you have to have features which distinguish yourself from other casinos and make you better (a lower or different system for house edge, for example).  As for starting capital, you wouldn't need much as long as you'd be willing to give the majority of your profits (most sites do between 50% and 80%) of your earnings to people who invest in your bankroll.  If you're more casual, you could just invest in the bankrolls of existing sites.

Of course it is always and will be profitable because of the house edge. For starting capitals maybe a few coins would do then just use moneypot to help you with your bankroll needs but take note that your profit would be low because you don't support the bankroll of your gambling site..

all bitcoin casino site and bitcoin gambling site no need verified ID, still anonymous
about zero deposit confrimastion, you never found gambling site or casino site use zero deposit confirmation

I don't know about x5 rollover on roulette I only use their sportsbook i'll ask their support about this. After talking with their live support the rollover for casino bonuses starts at 30x and the wager contribution for roulette is at 10%. The x5 rollover they said is only on their sportsbook bonus terms.