The battery indicator blinking usually means low charge. Plug it in and wait a few minutes.

If the pod still pops out, gently press it down and ensure it clicks securely into place.

If your fire button sticks, clean around it with a cotton swab. There might be dirt buildup.

Flooding happens when too much e-liquid gets into the coil. Try puffing without firing to remove excess liquid.

For budget e-liquids, I recommend checking online stores for multi-buy deals on good brands.