I like the look of sand; smooth and shaped anyway you (or your lounging betta) wants!
Plus I now officially have tons of corie cats and sand is best substrate for them...my green/bronze cories just spawned 3weeks ago the eggs were on tank walls (and their Mollie tankmates ignored them). Last night was first time I saw the litter...there are at least 8 1/2 appprx little kittens....lol....the green ones are pale pink skin color and they're born with spots...look like peppered cories for 1st couple of months and then they turn green and gold!
I have gone through the plant bag I just got...fabulous, healthy, most are root, even the stem plants....wonderful selection....if you have $, go to "plant assortment" and look for aquaman30 (i believe that's his handle) totally worth more than he's selling them for!!
I could do brand new 10gallon tank with this one bag...maybe adding some moss rocks or moss logs and a bit more sagittaria sublata!
Sorry guys, had to do a plug for him...best plant assortment I bought in a while.
Back to topic....sand is so easy to plant, as well. Don't know how/why some have difficulty with it...but to each their own!
I have to get some of those clip-on lamps for my 1-2 bowls and vases so I can add more live plants...they would look really nice then!