41. Are there limits on the amount a candidate can spend?

(1) During the campaign period, a political party or a candidate may publish campaign materials and shall, in any such publication, specify particulars sufficient to identify the political party or candidate. (3) For the purposes of this section, “campaign material” means a manifesto, billboard, pictorial image, poster, t-shirt, cloth, advertisement, or any other material aimed at conveying a campaign
message. 
Section 58, Presidential, Parliamentary and Local Government Elections Act, 2022.

There are no provisions limiting candidate's expenditure during election campaigning period as long as it is both spent legally and accounted for in the financial reports.