Plattform to buy BTC from time to time to my own wallet

I would like to buy Bitcoin from time to time, which than I transfer to my own wallet. I’ve used until now Binance, pocketbitcoin.com. On Binance I also used the P2P function, which than end into your spot wallet and withdrawal fees are very high. The cheapest I’ve seen until now was about 17€ and the most expensive about 80€. On pocketbitcoin.com it basically looks good, but after a test-buy I found out that roughly 15% less was transferred to my wallet.

I’m sorry if there is an answer somewhere in the forum, but I couldn’t find anything useful. Does anyone know, or could recommend a trustful way buying Bitcoins from Germany without wasting to much of the reoccurring investment?

I would be willing to buy from someone here who is trustful, but I couldn’t find offers from trusted people in the forum. I can do Credit Card, SEPA, Paypal or even hand over f2f if necessary as long as it is a fair exchange. The amounts are not going to be high, but regular. Could someone please point me to a service or a person?

Thank you very much in advance.