When setting a budget for gambling do you considered the extra expenses that come with it? I want think we can call them "miscellaneous expenses." Things like even higher internet/data costs, buying bonuses. For physical casinos transportation, food and drinks at the casino, or even fees for online transactions. If you’ve already set aside 2-5% of your income for gambling, do you include these costs in that percentage? For example, if you plan to buy bonuses is that part of your gambling budget or do you treat it separately?
Talking about buying bonuses is too part to be made when drafting a gambling budget because if you don't and uses the funds you did not make additional plans for in gambling, it is tantamount to dispute your bankroll because it has not been your initial plans.
Also taking about miscellaneous, it does not seem good to think there should be an extra budget for our gambling otherwise, you are definitely going to spend more money beyond your budgets. Instead of having it tagged "miscellaneous/additional expenses", it is better you revalidate your budget by increase and that should only be considered if your income has increased otherwise you your savings will negatively be affected.