Start with the problem you are solving, not your preferred technology. What kind of user will use this, with what frequency, and what happens today? An experienced team who understands the goal will suggest a simpler way to reach it; one who only sees the requirements as given prices exactly what you asked for.
Describe the scope as concrete flows: a walk through each important path. Just as important, write down what is out of scope. An explicit exclusion list removes more disagreement at delivery time than almost anything else in the document. Also mark which parts are firm and which are still open — the difference changes the price, and hiding it helps no one.
List the constraints. This means existing systems the software has to talk to, the data you already hold and its condition, regulatory obligations, expected load, which devices matter and stacks you cannot change. If a deadline is real, say what depends on it: an experienced team will often cut the right scope to protect it, but not if the date is a secret.
Say what done means for azure consulting services the important items. Acceptance criteria do not need any formal notation: a plain-language note stating what a user should be able to do will do. This single habit compresses the review at the end dramatically and closes off most late-stage disagreement.
One last thing, state what you want in the response. Request a breakdown by feature laravel or wordpress module, the assumptions behind each number, whatever the team considers risky and a low number and a high number. Take a broad range as useful information rather than evasion: it usually points to exactly which requirement is unclear. At that point rewrite that part and ask again — the revised figure is much more reliable.