Please guide me

I have about 5000 dollars worth i csn invest in bitcoin. I am doing this first time. I did my research . Basic stuff. I just want to know when should i puy the money in. As trump is going for all the buyback and stablecoin stuff snd with the bonds market situation and war..situation . How should i buy bitcoin. And I am Really convinced. The Bitcoin Cycle has an Effect. Like on aroind first week of October it will go lowest. Help me please.