Anyone know a good way to go about this skill? I looked up some guides but everything seems a little outdated. Added up some of the methods and 83-99 was coming out to 120m+

I have the following..
-priff
-charming imp

Summoning was always a money sink

Wait till double xp weekend

I collected a large majority of charms from slayer but also if you do familiarization you can get 3x the charm drops for an extended period of time (48 minutes? i think)

It takes time to put them all together and I dont suggest training Summoning without either using the DXP weekends or using the Summoning hour in priff

Let me know if you have any questions though

Afk dags with soul split, drag tooth necklace, and a cannon is what I did way back when. You SHOULD do it via slayer, or camp waterfiends for charms

Corp is also an amazing source for charms if you can do him efficiently. But should never do summoning outside dxp