The pattern is consistent enough to be worth stating. A second time owner arrives with specific concerns rather than general enthusiasm, wants to know what could go wrong, and treats a recommendation as something to interrogate rather than accept. All of that produces better work, because the questions surface assumptions that would otherwise go untested.
They also tend to know what they are bad at, which is the single most useful thing an owner can bring. A first time founder frequently believes the business will succeed on effort and enthusiasm. Somebody who has watched a business fail knows which part of it defeated them, and building around that knowledge is considerably more productive than discovering it again.
Where it can go wrong is over correction, and it is worth watching for. A business that failed on cash flow can produce an owner so cautious about spending that nothing gets built. One that failed on a bad partnership can produce somebody unwilling to delegate anything. Those responses are understandable and they are answers to the last problem rather than the current one.
The other pattern worth naming is the assumption that the same approach will fail again. Frequently the previous failure had a specific cause, and generalising it into a belief about the whole category means avoiding things that would work. Separating what actually caused it from what merely surrounded it is worth doing before making decisions on the new business.
Nothing about the work changes, which is the practical answer. The sequence is the same: establish who you serve and what you charge, build the foundations that are painful to change later, get findable and contactable, then measure what happens. Previous experience affects how quickly those conversations go rather than what they contain.
What does change is the pace of the early discussions, usually favourably. Questions about positioning and pricing that take three conversations with a first time owner frequently take one, because the answers have been thought about before. That shortens the demanding part of the engagement noticeably.
Be honest about what happened rather than presenting a version, since the useful conversation depends on it. An adviser working from an edited account gives advice suited to a business that did not exist, and the details that feel embarrassing are usually the ones that matter most for avoiding a repeat.
Then treat the previous business as evidence rather than as identity. It produced information about a market, a customer type, a pricing level, and your own working preferences, and most of that transfers. A failure is expensive research, and using the findings is what makes it worth something.
Establish what the previous business actually cost you, including anything still outstanding, since that affects what the new one can support. Businesses started while carrying obligations from a previous attempt operate under a constraint that shapes every subsequent decision, and pretending otherwise produces plans that cannot work.
Separate what failed from what you enjoyed, since those are different and both matter. A business that failed commercially may have contained work you were genuinely good at, and building the new one around that is more promising than avoiding the whole category.
Give yourself credit for what you now know, since the practical knowledge of running a business is genuinely transferable even when the business was not. Registration, accounting, pricing conversations, and dealing with suppliers are all things you have done, and a first time founder has none of it.