Bedbug problem!!

Hello ladies, this is something that is unusual from other posts but I’ve been having a bedbug problem for quite awhile now and I cannot seem to get rid of them. The infestation is not horrible but every now and then I’ll spot one or get bit during the night. But have y’all ever had this problem? If so how did you get rid of it?

Thanks in advance!

Edit: I’ve only tried diatomaceous earth and I haven’t called exterminators bc it’s over $1000 for a treatment.