I believe the Goetia of Dr. Rudd is the grimoire that first introduced the idea of the 72 angels of the Shemhamforash as a counterpart to the 72 daemons in the Lesser Key of Solomon. It's an aggressive approach, but really good to have in your back pocket in case something goes wrong, although I'd consider it as an absolutely last resort for protection, in case all hell breaks loose and all diplomacy and communication fails.
The reason I don't like the aggressive binding style is that I think there is great value in treating others like we would be treated ourselves, which includes the spirits we're working with; imagine yourself chilling at home, only for someone to come barging in through your door in a hooded ski mask adorned with divine names, kidnap you and force you to mow some schmucks lawn without any appreciation, respect or recompense; not even so much as a glass of lemonade under the scorching sun. You would most certainly have a chip on your shoulder towards that individual. Not a great way to start a long term relationship based on sympatico, respect and trust or building a good reputation amongst the infernal spirits; if that's what you're going for anyway.
I never quite understood why people would bind the demons through angelic powers in the first place, instead of, you know, just working directly with the angels themselves.
On the other hand, there is the whole power dynamic that can easily get eschewed if you become too submissive to the spirits you're working with, which I think is the inherent weak point of the Demonolatry route. As in all things, I think it's about finding that sweet spot in between the fire of authoritative command as seen in the Grimoires and the water of compassionate relation as seen in modern Demonolatry.
Besides changing your approach, there are couple of basics I think worthwhile to keep in mind;
- I think it better to focus on developing one solid relationship with one spirit in your first two-three years, but that's just me. Quality over quantity. The spirits are very different, both in terms of their energetic signature and personalities, and it is entirely possible that you have just worked with spirits incompatible with your own constitution. "Not your spirits" so to speak. Christopher Warnock described an episode in which he created a mirror of Lilith according to an old grimoire, only to be so overwhelmed by the "negative charge" that that episode alone turned him off of working with demons completely. Which is unfortunate, since that might just have been the energy of Lilith in particular and not the whole Chthonic realm in general, which is quite varied
- It could also very well be that you're not acclimatized to working with Chthonic "Yin" energies; some people take to it like fish in water, some need time to adjust to the temperature of the water, while some simply aren't made for the water at all. It's not something I claim to understand, but people seem to have a predominant polarity towards either the Celestial or Chthonic, and even here to have natural affinities with some powers over others. I have a working theory that most powers can be acclimatized to, though some are just inherently better suited to our personal makeup; it took me well over a year getting used to one particular Goetic spirits intensity, for example
- Celestial counterbalance to the Chthonic. Reciting any scripture out loud, engaging in prayer, mantras, divine contemplation. As an additional practice to your conjure work. Too much of the Chthonic, especially if you're not used to it, can have some of the adverse effects you're speaking of. Keep the saying in mind that "the dose makes the poison". Solar work in particular seems to balance the Chthonic out nicely
- Good temple hygiene. Your working space should be cleared of any intrusive spirits that may lurk in the corners, which may include parasites. Banish before a ritual + after a ritual when working indoors; unless you're looking for the energy to permeate and gradually seep into your surroundings. Fumigation is another addition to keep your space clean. White Sage is commonly used amongst Western occultists, as is Mugwort in the Chinese occult tradition for it's inherent "Yang" properties; it is also used in moxibustion and acupuncture for this same reason. Besides your surroundings, you should be clean yourself; not just having fresh breath and clean hands, but in body and spirit as well; use consecrated salt to shower in for the former and spells/prayers for the latter
- Attunement to the spirit and getting their attention. You want to leave out the possibility of anything other than the spirit you're calling upon to manifest. I have seen this gone... Bad. While S. Connolly's Goetic Enns are most likely made up, they still serve as an excellent anchor point for you to repeat in order to get on the same "wavelength" with the spirit, especially when spoken with intention and strong visualization
- Some type of energy work. You really don't want to use your own personal energy for just about anything; this can easily make you feel drained and tired, especially in conjure work. You'll get better cardio eventually, but it's a use-it-or-loose-it type of situation. Some type of fatigue is to be expected as a beginner, but it should not be persistent
- Good quality offerings goes a long way. Use beeswax candles instead of paraffin and go for an incense with natural, non-synthetic ingredients. I like the Japanese style ones without a bamboo core. Making a nice seal also goes a long way as a gesture of respect; I like using wooden coasters and a pyrography pen, though you can get by with black cardboard paper and acrylic paint; a white POSCA marker is quite nice if you don't know how to use a brush. Don't mix Celestial and Chthonic powers on the same altar. When you call upon a spirit for the first time, do have some offerings ready as a welcome gift. Candles and incense is fine, no need to go overboard. But be careful with the alcohol; just a shot glass is fine. Same when you pay them after the working has been completed; once a week for about a month is fine. Do keep your promises though and don't make them too extravagant; neglecting agreed upon offerings is a huge no go. This is not charity work, but a mutual exchange. Appreciation and respect also goes a long way.
There is, of course, a lot more that could be said, but these are the immediate things that springs to mind in your situation