Drinking with these drugs is not recommended but moderate drinking doesn’t cause any problems for me. I think drinking reduces the effect of Viagra more than Cialis for some reason.
You can buy pills, but I don’t know a US source, meaning you will need to order from overseas and your package will go through customs. Lots of guys do it without problems, but still there is some risk.
If you are close to Mexico, another option is to walk across the border and cary them back.
Once you have a liquid product, measuring a dose is pretty simple. Suck some up with a dropper or syringe and squirt it in your mouth.
Of course, buying a liquid would eliminate the need to make the liquid.
The most complicated of the options is to encapsulate a powder. There are several procedures, but most require a scale and it truly is tedious.
Horny Bastard