Check the current rates for student employment. As with other university employment, wages are based on job responsibilities. Externally funded wages must be similar to those paid from internal funds for similar work. When an agency specifies a rate for a research assistantship or other stipend that exceeds the institutional pay scale, the agency's funding policy will apply. Tuition Some funding sources will allow tuition as part of the budget request, particularly when the purpose of the project is instructional or support of student research.
More expensive items are to be listed as equipment.
Travel also includes meals and lodging, or per diem. Federal agencies expect a figure in line with their own rates. Think through the items you will need and quantify them. This shows the reviewer you have given thought to how you will spend money and also protects you from surprises. If your discipline typically requires page charges for publication of research articles, this is an allowable item for many funding sources.