Tested positive at 12 DPO, 13 DPO line progression has me confused..

Morning, everyone! Yesterday I tested positive on a dollar store cheap test & another test from Kroger- the first 2 pictures! However, super concerned because this morning I took another dollar store test and the line didn’t get any darker and might look slightly lighter?

Terrified I’ve just caught a chemical pregnancy/early miscarriage but I’m doing fine physically so far. I also took a digital as well that popped up pregnant before 2 minutes. I’m 13 DPO & would be expecting my period in a day or 2. Any advice would be greatly appreciated! Thanks!